8711890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2778

約数の個数: 32

約数和(自身を含む): 17703360

約数和(自身を除く): 8991470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 2731, 3190, 5462, 13655, 27310, 30041, 60082, 79199, 150205, 158398, 300410, 395995, 791990, 871189, 1742378, 4355945, 8711890]

約数ペア:

[(1, 8711890), (2, 4355945), (5, 1742378), (10, 871189), (11, 791990), (22, 395995), (29, 300410), (55, 158398), (58, 150205), (110, 79199), (145, 60082), (290, 30041), (319, 27310), (638, 13655), (1595, 5462), (2731, 3190)]