645366964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{312073}}^1$

素因数の和:312135

約数の個数: 24

約数和(自身を含む): 1258282368

約数和(自身を除く): 612915404

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 312073, 624146, 1248292, 3432803, 6865606, 13731212, 14667431, 29334862, 58669724, 161341741, 322683482, 645366964]

約数ペア:

[(1, 645366964), (2, 322683482), (4, 161341741), (11, 58669724), (22, 29334862), (44, 14667431), (47, 13731212), (94, 6865606), (188, 3432803), (517, 1248292), (1034, 624146), (2068, 312073)]