81263026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4969}}^1$

素因数の和:5038

約数の個数: 32

約数和(自身を含む): 142778160

約数和(自身を除く): 61515134

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 442, 481, 629, 962, 1258, 4969, 8177, 9938, 16354, 64597, 84473, 129194, 168946, 183853, 367706, 1098149, 2196298, 2390089, 3125501, 4780178, 6251002, 40631513, 81263026]

約数ペア:

[(1, 81263026), (2, 40631513), (13, 6251002), (17, 4780178), (26, 3125501), (34, 2390089), (37, 2196298), (74, 1098149), (221, 367706), (442, 183853), (481, 168946), (629, 129194), (962, 84473), (1258, 64597), (4969, 16354), (8177, 9938)]