641087810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{5881}}^1$

素因数の和:6890

約数の個数: 32

約数和(自身を含む): 1260347904

約数和(自身を除く): 619260094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 991, 1982, 4955, 5881, 9910, 10901, 11762, 21802, 29405, 54505, 58810, 64691, 109010, 129382, 323455, 646910, 5828071, 11656142, 29140355, 58280710, 64108781, 128217562, 320543905, 641087810]

約数ペア:

[(1, 641087810), (2, 320543905), (5, 128217562), (10, 64108781), (11, 58280710), (22, 29140355), (55, 11656142), (110, 5828071), (991, 646910), (1982, 323455), (4955, 129382), (5881, 109010), (9910, 64691), (10901, 58810), (11762, 54505), (21802, 29405)]