31891312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 64460160

約数和(自身を除く): 32568848

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 452, 496, 569, 904, 1138, 1808, 2276, 3503, 4552, 7006, 9104, 14012, 17639, 28024, 35278, 56048, 64297, 70556, 128594, 141112, 257188, 282224, 514376, 1028752, 1993207, 3986414, 7972828, 15945656, 31891312]

約数ペア:

[(1, 31891312), (2, 15945656), (4, 7972828), (8, 3986414), (16, 1993207), (31, 1028752), (62, 514376), (113, 282224), (124, 257188), (226, 141112), (248, 128594), (452, 70556), (496, 64297), (569, 56048), (904, 35278), (1138, 28024), (1808, 17639), (2276, 14012), (3503, 9104), (4552, 7006)]