268521775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1237}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 351542480

約数和(自身を除く): 83020705

約数列:

[1, 5, 19, 25, 95, 457, 475, 1237, 2285, 6185, 8683, 11425, 23503, 30925, 43415, 117515, 217075, 565309, 587575, 2826545, 10740871, 14132725, 53704355, 268521775]

約数ペア:

[(1, 268521775), (5, 53704355), (19, 14132725), (25, 10740871), (95, 2826545), (457, 587575), (475, 565309), (1237, 217075), (2285, 117515), (6185, 43415), (8683, 30925), (11425, 23503)]