90331390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2531}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 168448896

約数和(自身を除く): 78117506

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 415, 430, 830, 2531, 3569, 5062, 7138, 12655, 17845, 25310, 35690, 108833, 210073, 217666, 420146, 544165, 1050365, 1088330, 2100730, 9033139, 18066278, 45165695, 90331390]

約数ペア:

[(1, 90331390), (2, 45165695), (5, 18066278), (10, 9033139), (43, 2100730), (83, 1088330), (86, 1050365), (166, 544165), (215, 420146), (415, 217666), (430, 210073), (830, 108833), (2531, 35690), (3569, 25310), (5062, 17845), (7138, 12655)]