138208895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2789}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 195255360

約数和(自身を除く): 57046465

約数列:

[1, 5, 11, 17, 53, 55, 85, 187, 265, 583, 901, 935, 2789, 2915, 4505, 9911, 13945, 30679, 47413, 49555, 147817, 153395, 237065, 521543, 739085, 1625987, 2512889, 2607715, 8129935, 12564445, 27641779, 138208895]

約数ペア:

[(1, 138208895), (5, 27641779), (11, 12564445), (17, 8129935), (53, 2607715), (55, 2512889), (85, 1625987), (187, 739085), (265, 521543), (583, 237065), (901, 153395), (935, 147817), (2789, 49555), (2915, 47413), (4505, 30679), (9911, 13945)]