91990910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{49193}}^1$

素因数の和:49228

約数の個数: 32

約数和(自身を含む): 191266272

約数和(自身を除く): 99275362

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 49193, 98386, 245965, 491930, 541123, 836281, 1082246, 1672562, 2705615, 4181405, 5411230, 8362810, 9199091, 18398182, 45995455, 91990910]

約数ペア:

[(1, 91990910), (2, 45995455), (5, 18398182), (10, 9199091), (11, 8362810), (17, 5411230), (22, 4181405), (34, 2705615), (55, 1672562), (85, 1082246), (110, 836281), (170, 541123), (187, 491930), (374, 245965), (935, 98386), (1870, 49193)]