1997486298

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 4887267840

約数和(自身を除く): 2889781542

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 41, 51, 54, 73, 82, 102, 123, 146, 153, 219, 246, 306, 369, 438, 459, 657, 697, 727, 738, 918, 1107, 1241, 1314, 1394, 1454, 1971, 2091, 2181, 2214, 2482, 2993, 3723, 3942, 4182, 4362, 5986, 6273, 6543, 7446, 8979, 11169, 12359, 12546, 13086, 17958, 18819, 19629, 22338, 24718, 26937, 29807, 33507, 37077, 37638, 39258, 50881, 53071, 53874, 59614, 67014, 74154, 80811, 89421, 101762, 106142, 111231, 152643, 159213, 161622, 178842, 222462, 268263, 305286, 318426, 333693, 457929, 477639, 506719, 536526, 667386, 804789, 902207, 915858, 955278, 1013438, 1373787, 1432917, 1520157, 1609578, 1804414, 2175911, 2706621, 2747574, 2865834, 3040314, 4351822, 4560471, 5413242, 6527733, 8119863, 9120942, 13055466, 13681413, 16239726, 19583199, 24359589, 27362826, 36990487, 39166398, 48719178, 58749597, 73980974, 110971461, 117499194, 221942922, 332914383, 665828766, 998743149, 1997486298]

約数ペア:

[(1, 1997486298), (2, 998743149), (3, 665828766), (6, 332914383), (9, 221942922), (17, 117499194), (18, 110971461), (27, 73980974), (34, 58749597), (41, 48719178), (51, 39166398), (54, 36990487), (73, 27362826), (82, 24359589), (102, 19583199), (123, 16239726), (146, 13681413), (153, 13055466), (219, 9120942), (246, 8119863), (306, 6527733), (369, 5413242), (438, 4560471), (459, 4351822), (657, 3040314), (697, 2865834), (727, 2747574), (738, 2706621), (918, 2175911), (1107, 1804414), (1241, 1609578), (1314, 1520157), (1394, 1432917), (1454, 1373787), (1971, 1013438), (2091, 955278), (2181, 915858), (2214, 902207), (2482, 804789), (2993, 667386), (3723, 536526), (3942, 506719), (4182, 477639), (4362, 457929), (5986, 333693), (6273, 318426), (6543, 305286), (7446, 268263), (8979, 222462), (11169, 178842), (12359, 161622), (12546, 159213), (13086, 152643), (17958, 111231), (18819, 106142), (19629, 101762), (22338, 89421), (24718, 80811), (26937, 74154), (29807, 67014), (33507, 59614), (37077, 53874), (37638, 53071), (39258, 50881)]