68914430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31183}}^1$

素因数の和:31220

約数の個数: 32

約数和(自身を含む): 141450624

約数和(自身を除く): 72536194

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 31183, 62366, 155915, 311830, 405379, 530111, 810758, 1060222, 2026895, 2650555, 4053790, 5301110, 6891443, 13782886, 34457215, 68914430]

約数ペア:

[(1, 68914430), (2, 34457215), (5, 13782886), (10, 6891443), (13, 5301110), (17, 4053790), (26, 2650555), (34, 2026895), (65, 1060222), (85, 810758), (130, 530111), (170, 405379), (221, 311830), (442, 155915), (1105, 62366), (2210, 31183)]