31538890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14143}}^1$

素因数の和:14373

約数の個数: 16

約数和(自身を含む): 57028608

約数和(自身を除く): 25489718

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 14143, 28286, 70715, 141430, 3153889, 6307778, 15769445, 31538890]

約数ペア:

[(1, 31538890), (2, 15769445), (5, 6307778), (10, 3153889), (223, 141430), (446, 70715), (1115, 28286), (2230, 14143)]