217089972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 216

約数和(自身を含む): 660339680

約数和(自身を除く): 443249708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 43, 44, 57, 61, 66, 76, 86, 99, 114, 121, 122, 129, 132, 171, 172, 183, 198, 209, 228, 242, 244, 258, 342, 363, 366, 387, 396, 418, 473, 484, 516, 549, 627, 671, 684, 726, 732, 774, 817, 836, 946, 1089, 1098, 1159, 1254, 1342, 1419, 1452, 1548, 1634, 1881, 1892, 2013, 2178, 2196, 2299, 2318, 2451, 2508, 2623, 2684, 2838, 3268, 3477, 3762, 4026, 4257, 4356, 4598, 4636, 4902, 5203, 5246, 5676, 6039, 6897, 6954, 7353, 7381, 7524, 7869, 8052, 8514, 8987, 9196, 9804, 10406, 10431, 10492, 12078, 12749, 13794, 13908, 14706, 14762, 15609, 15738, 17028, 17974, 20691, 20812, 20862, 22143, 23607, 24156, 25498, 26961, 27588, 28853, 29412, 29524, 31218, 31476, 35948, 38247, 41382, 41724, 44286, 46827, 47214, 49837, 50996, 53922, 57706, 62436, 66429, 76494, 80883, 82764, 86559, 88572, 93654, 94428, 98857, 99674, 107844, 114741, 115412, 132858, 140239, 149511, 152988, 161766, 173118, 187308, 197714, 199348, 229482, 259677, 265716, 280478, 296571, 299022, 317383, 323532, 346236, 395428, 420717, 448533, 458964, 519354, 548207, 560956, 593142, 598044, 634766, 841434, 889713, 897066, 952149, 1038708, 1096414, 1186284, 1262151, 1269532, 1644621, 1682868, 1779426, 1794132, 1904298, 2192828, 2524302, 2856447, 3289242, 3558852, 3808596, 4933863, 5048604, 5712894, 6030277, 6578484, 9867726, 11425788, 12060554, 18090831, 19735452, 24121108, 36181662, 54272493, 72363324, 108544986, 217089972]

約数ペア:

[(1, 217089972), (2, 108544986), (3, 72363324), (4, 54272493), (6, 36181662), (9, 24121108), (11, 19735452), (12, 18090831), (18, 12060554), (19, 11425788), (22, 9867726), (33, 6578484), (36, 6030277), (38, 5712894), (43, 5048604), (44, 4933863), (57, 3808596), (61, 3558852), (66, 3289242), (76, 2856447), (86, 2524302), (99, 2192828), (114, 1904298), (121, 1794132), (122, 1779426), (129, 1682868), (132, 1644621), (171, 1269532), (172, 1262151), (183, 1186284), (198, 1096414), (209, 1038708), (228, 952149), (242, 897066), (244, 889713), (258, 841434), (342, 634766), (363, 598044), (366, 593142), (387, 560956), (396, 548207), (418, 519354), (473, 458964), (484, 448533), (516, 420717), (549, 395428), (627, 346236), (671, 323532), (684, 317383), (726, 299022), (732, 296571), (774, 280478), (817, 265716), (836, 259677), (946, 229482), (1089, 199348), (1098, 197714), (1159, 187308), (1254, 173118), (1342, 161766), (1419, 152988), (1452, 149511), (1548, 140239), (1634, 132858), (1881, 115412), (1892, 114741), (2013, 107844), (2178, 99674), (2196, 98857), (2299, 94428), (2318, 93654), (2451, 88572), (2508, 86559), (2623, 82764), (2684, 80883), (2838, 76494), (3268, 66429), (3477, 62436), (3762, 57706), (4026, 53922), (4257, 50996), (4356, 49837), (4598, 47214), (4636, 46827), (4902, 44286), (5203, 41724), (5246, 41382), (5676, 38247), (6039, 35948), (6897, 31476), (6954, 31218), (7353, 29524), (7381, 29412), (7524, 28853), (7869, 27588), (8052, 26961), (8514, 25498), (8987, 24156), (9196, 23607), (9804, 22143), (10406, 20862), (10431, 20812), (10492, 20691), (12078, 17974), (12749, 17028), (13794, 15738), (13908, 15609), (14706, 14762)]