1266881468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{406573}}^1$

素因数の和:406637

約数の個数: 24

約数和(自身を含む): 2390655120

約数和(自身を除く): 1123773652

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 406573, 813146, 1626292, 7724887, 15449774, 16669493, 30899548, 33338986, 66677972, 316720367, 633440734, 1266881468]

約数ペア:

[(1, 1266881468), (2, 633440734), (4, 316720367), (19, 66677972), (38, 33338986), (41, 30899548), (76, 16669493), (82, 15449774), (164, 7724887), (779, 1626292), (1558, 813146), (3116, 406573)]