189864815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5471

約数の個数: 32

約数和(自身を含む): 279313920

約数和(自身を除く): 89449105

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 1007, 1855, 5035, 5387, 7049, 26935, 35245, 37709, 102353, 188545, 285511, 511765, 716471, 1427555, 1998577, 3582355, 5424709, 9992885, 27123545, 37972963, 189864815]

約数ペア:

[(1, 189864815), (5, 37972963), (7, 27123545), (19, 9992885), (35, 5424709), (53, 3582355), (95, 1998577), (133, 1427555), (265, 716471), (371, 511765), (665, 285511), (1007, 188545), (1855, 102353), (5035, 37709), (5387, 35245), (7049, 26935)]