890684417

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{62897}}^1$

素因数の和:62945

約数の個数: 18

約数和(自身を含む): 1100652102

約数和(自身を除く): 209967685

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 62897, 440279, 1069249, 3081953, 7484743, 18177233, 52393201, 127240631, 890684417]

約数ペア:

[(1, 890684417), (7, 127240631), (17, 52393201), (49, 18177233), (119, 7484743), (289, 3081953), (833, 1069249), (2023, 440279), (14161, 62897)]