28580526

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 80

約数和(自身を含む): 70863408

約数和(自身を除く): 42282882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 81, 82, 117, 123, 162, 234, 246, 331, 351, 369, 533, 662, 702, 738, 993, 1053, 1066, 1107, 1599, 1986, 2106, 2214, 2979, 3198, 3321, 4303, 4797, 5958, 6642, 8606, 8937, 9594, 12909, 13571, 14391, 17874, 25818, 26811, 27142, 28782, 38727, 40713, 43173, 53622, 77454, 81426, 86346, 116181, 122139, 176423, 232362, 244278, 348543, 352846, 366417, 529269, 697086, 732834, 1058538, 1099251, 1587807, 2198502, 3175614, 4763421, 9526842, 14290263, 28580526]

約数ペア:

[(1, 28580526), (2, 14290263), (3, 9526842), (6, 4763421), (9, 3175614), (13, 2198502), (18, 1587807), (26, 1099251), (27, 1058538), (39, 732834), (41, 697086), (54, 529269), (78, 366417), (81, 352846), (82, 348543), (117, 244278), (123, 232362), (162, 176423), (234, 122139), (246, 116181), (331, 86346), (351, 81426), (369, 77454), (533, 53622), (662, 43173), (702, 40713), (738, 38727), (993, 28782), (1053, 27142), (1066, 26811), (1107, 25818), (1599, 17874), (1986, 14391), (2106, 13571), (2214, 12909), (2979, 9594), (3198, 8937), (3321, 8606), (4303, 6642), (4797, 5958)]