71437570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{420221}}^1$

素因数の和:420245

約数の個数: 16

約数和(自身を含む): 136151928

約数和(自身を除く): 64714358

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 420221, 840442, 2101105, 4202210, 7143757, 14287514, 35718785, 71437570]

約数ペア:

[(1, 71437570), (2, 35718785), (5, 14287514), (10, 7143757), (17, 4202210), (34, 2101105), (85, 840442), (170, 420221)]