28676890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13721}}^1$

素因数の和:13758

約数の個数: 32

約数和(自身を含む): 59279040

約数和(自身を除く): 30602150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13721, 27442, 68605, 137210, 150931, 260699, 301862, 521398, 754655, 1303495, 1509310, 2606990, 2867689, 5735378, 14338445, 28676890]

約数ペア:

[(1, 28676890), (2, 14338445), (5, 5735378), (10, 2867689), (11, 2606990), (19, 1509310), (22, 1303495), (38, 754655), (55, 521398), (95, 301862), (110, 260699), (190, 150931), (209, 137210), (418, 68605), (1045, 27442), (2090, 13721)]