81381612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{40129}}^1$

素因数の和:40162

約数の個数: 36

約数和(自身を含む): 205626120

約数和(自身を除く): 124244508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 40129, 80258, 120387, 160516, 240774, 481548, 521677, 1043354, 1565031, 2086708, 3130062, 6260124, 6781801, 13563602, 20345403, 27127204, 40690806, 81381612]

約数ペア:

[(1, 81381612), (2, 40690806), (3, 27127204), (4, 20345403), (6, 13563602), (12, 6781801), (13, 6260124), (26, 3130062), (39, 2086708), (52, 1565031), (78, 1043354), (156, 521677), (169, 481548), (338, 240774), (507, 160516), (676, 120387), (1014, 80258), (2028, 40129)]