28410876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3571}}^1$

素因数の和:3611

約数の個数: 72

約数和(自身を含む): 81913104

約数和(自身を除く): 53502228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3571, 3978, 7142, 7956, 10713, 14284, 21426, 32139, 42852, 46423, 60707, 64278, 92846, 121414, 128556, 139269, 182121, 185692, 242828, 278538, 364242, 417807, 546363, 557076, 728484, 789191, 835614, 1092726, 1578382, 1671228, 2185452, 2367573, 3156764, 4735146, 7102719, 9470292, 14205438, 28410876]

約数ペア:

[(1, 28410876), (2, 14205438), (3, 9470292), (4, 7102719), (6, 4735146), (9, 3156764), (12, 2367573), (13, 2185452), (17, 1671228), (18, 1578382), (26, 1092726), (34, 835614), (36, 789191), (39, 728484), (51, 557076), (52, 546363), (68, 417807), (78, 364242), (102, 278538), (117, 242828), (153, 185692), (156, 182121), (204, 139269), (221, 128556), (234, 121414), (306, 92846), (442, 64278), (468, 60707), (612, 46423), (663, 42852), (884, 32139), (1326, 21426), (1989, 14284), (2652, 10713), (3571, 7956), (3978, 7142)]