15685985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 23369472

約数和(自身を除く): 7683487

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 643, 697, 1435, 3215, 3485, 4501, 4879, 10931, 22505, 24395, 26363, 54655, 76517, 131815, 184541, 382585, 448171, 922705, 2240855, 3137197, 15685985]

約数ペア:

[(1, 15685985), (5, 3137197), (7, 2240855), (17, 922705), (35, 448171), (41, 382585), (85, 184541), (119, 131815), (205, 76517), (287, 54655), (595, 26363), (643, 24395), (697, 22505), (1435, 10931), (3215, 4879), (3485, 4501)]