221755716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 216

約数和(自身を含む): 716212224

約数和(自身を除く): 494456508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 41, 42, 52, 63, 78, 82, 84, 91, 117, 123, 126, 127, 156, 164, 169, 182, 234, 246, 252, 254, 273, 287, 338, 364, 369, 381, 468, 492, 507, 508, 533, 546, 574, 676, 738, 762, 819, 861, 889, 1014, 1066, 1092, 1143, 1148, 1183, 1476, 1521, 1524, 1599, 1638, 1651, 1722, 1778, 2028, 2132, 2286, 2366, 2583, 2667, 3042, 3198, 3276, 3302, 3444, 3549, 3556, 3731, 4572, 4732, 4797, 4953, 5166, 5207, 5334, 6084, 6396, 6604, 6929, 7098, 7462, 8001, 9594, 9906, 10332, 10414, 10647, 10668, 11193, 11557, 13858, 14196, 14859, 14924, 15621, 16002, 19188, 19812, 20787, 20828, 21294, 21463, 22386, 23114, 27716, 29718, 31242, 32004, 33579, 34671, 36449, 41574, 42588, 42926, 44772, 46228, 46863, 48503, 59436, 62361, 62484, 64389, 67158, 67691, 69342, 72898, 83148, 85852, 93726, 97006, 104013, 109347, 124722, 128778, 134316, 135382, 138684, 145509, 145796, 150241, 187452, 193167, 194012, 203073, 208026, 218694, 249444, 257556, 270764, 291018, 300482, 328041, 386334, 406146, 416052, 436527, 437388, 450723, 473837, 582036, 600964, 609219, 656082, 772668, 812292, 873054, 879983, 901446, 947674, 1218438, 1312164, 1352169, 1421511, 1746108, 1759966, 1802892, 1895348, 2436876, 2639949, 2704338, 2843022, 3519932, 4264533, 5279898, 5408676, 5686044, 6159881, 7919847, 8529066, 10559796, 12319762, 15839694, 17058132, 18479643, 24639524, 31679388, 36959286, 55438929, 73918572, 110877858, 221755716]

約数ペア:

[(1, 221755716), (2, 110877858), (3, 73918572), (4, 55438929), (6, 36959286), (7, 31679388), (9, 24639524), (12, 18479643), (13, 17058132), (14, 15839694), (18, 12319762), (21, 10559796), (26, 8529066), (28, 7919847), (36, 6159881), (39, 5686044), (41, 5408676), (42, 5279898), (52, 4264533), (63, 3519932), (78, 2843022), (82, 2704338), (84, 2639949), (91, 2436876), (117, 1895348), (123, 1802892), (126, 1759966), (127, 1746108), (156, 1421511), (164, 1352169), (169, 1312164), (182, 1218438), (234, 947674), (246, 901446), (252, 879983), (254, 873054), (273, 812292), (287, 772668), (338, 656082), (364, 609219), (369, 600964), (381, 582036), (468, 473837), (492, 450723), (507, 437388), (508, 436527), (533, 416052), (546, 406146), (574, 386334), (676, 328041), (738, 300482), (762, 291018), (819, 270764), (861, 257556), (889, 249444), (1014, 218694), (1066, 208026), (1092, 203073), (1143, 194012), (1148, 193167), (1183, 187452), (1476, 150241), (1521, 145796), (1524, 145509), (1599, 138684), (1638, 135382), (1651, 134316), (1722, 128778), (1778, 124722), (2028, 109347), (2132, 104013), (2286, 97006), (2366, 93726), (2583, 85852), (2667, 83148), (3042, 72898), (3198, 69342), (3276, 67691), (3302, 67158), (3444, 64389), (3549, 62484), (3556, 62361), (3731, 59436), (4572, 48503), (4732, 46863), (4797, 46228), (4953, 44772), (5166, 42926), (5207, 42588), (5334, 41574), (6084, 36449), (6396, 34671), (6604, 33579), (6929, 32004), (7098, 31242), (7462, 29718), (8001, 27716), (9594, 23114), (9906, 22386), (10332, 21463), (10414, 21294), (10647, 20828), (10668, 20787), (11193, 19812), (11557, 19188), (13858, 16002), (14196, 15621), (14859, 14924)]