68985254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 113926176

約数和(自身を除く): 44940922

約数列:

[1, 2, 13, 26, 107, 137, 181, 214, 274, 362, 1391, 1781, 2353, 2782, 3562, 4706, 14659, 19367, 24797, 29318, 38734, 49594, 190567, 251771, 322361, 381134, 503542, 644722, 2653279, 5306558, 34492627, 68985254]

約数ペア:

[(1, 68985254), (2, 34492627), (13, 5306558), (26, 2653279), (107, 644722), (137, 503542), (181, 381134), (214, 322361), (274, 251771), (362, 190567), (1391, 49594), (1781, 38734), (2353, 29318), (2782, 24797), (3562, 19367), (4706, 14659)]