28521790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8941}}^1$

素因数の和:8988

約数の個数: 32

約数和(自身を含む): 57944160

約数和(自身を除く): 29422370

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 8941, 17882, 44705, 89410, 98351, 196702, 259289, 491755, 518578, 983510, 1296445, 2592890, 2852179, 5704358, 14260895, 28521790]

約数ペア:

[(1, 28521790), (2, 14260895), (5, 5704358), (10, 2852179), (11, 2592890), (22, 1296445), (29, 983510), (55, 518578), (58, 491755), (110, 259289), (145, 196702), (290, 98351), (319, 89410), (638, 44705), (1595, 17882), (3190, 8941)]