256887716

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{379}}^1\times {\mathrm{709}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 453264000

約数和(自身を除く): 196376284

約数列:

[1, 2, 4, 239, 379, 478, 709, 758, 956, 1418, 1516, 2836, 90581, 169451, 181162, 268711, 338902, 362324, 537422, 677804, 1074844, 64221929, 128443858, 256887716]

約数ペア:

[(1, 256887716), (2, 128443858), (4, 64221929), (239, 1074844), (379, 677804), (478, 537422), (709, 362324), (758, 338902), (956, 268711), (1418, 181162), (1516, 169451), (2836, 90581)]