27980004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2677}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 71384768

約数和(自身を除く): 43404764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 2613, 2677, 3484, 5226, 5354, 8031, 10452, 10708, 16062, 32124, 34801, 69602, 104403, 139204, 179359, 208806, 358718, 417612, 538077, 717436, 1076154, 2152308, 2331667, 4663334, 6995001, 9326668, 13990002, 27980004]

約数ペア:

[(1, 27980004), (2, 13990002), (3, 9326668), (4, 6995001), (6, 4663334), (12, 2331667), (13, 2152308), (26, 1076154), (39, 717436), (52, 538077), (67, 417612), (78, 358718), (134, 208806), (156, 179359), (201, 139204), (268, 104403), (402, 69602), (804, 34801), (871, 32124), (1742, 16062), (2613, 10708), (2677, 10452), (3484, 8031), (5226, 5354)]