31091408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{45191}}^1$

素因数の和:45242

約数の個数: 20

約数和(自身を含む): 61641888

約数和(自身を除く): 30550480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 45191, 90382, 180764, 361528, 723056, 1943213, 3886426, 7772852, 15545704, 31091408]

約数ペア:

[(1, 31091408), (2, 15545704), (4, 7772852), (8, 3886426), (16, 1943213), (43, 723056), (86, 361528), (172, 180764), (344, 90382), (688, 45191)]