68105570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30817}}^1$

素因数の和:30854

約数の個数: 32

約数和(自身を含む): 139790448

約数和(自身を除く): 71684878

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 30817, 61634, 154085, 308170, 400621, 523889, 801242, 1047778, 2003105, 2619445, 4006210, 5238890, 6810557, 13621114, 34052785, 68105570]

約数ペア:

[(1, 68105570), (2, 34052785), (5, 13621114), (10, 6810557), (13, 5238890), (17, 4006210), (26, 2619445), (34, 2003105), (65, 1047778), (85, 801242), (130, 523889), (170, 400621), (221, 308170), (442, 154085), (1105, 61634), (2210, 30817)]