251815730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{64403}}^1$

素因数の和:64450

約数の個数: 32

約数和(自身を含む): 500805504

約数和(自身を除く): 248989774

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 64403, 128806, 322015, 644030, 1094851, 1481269, 2189702, 2962538, 5474255, 7406345, 10948510, 14812690, 25181573, 50363146, 125907865, 251815730]

約数ペア:

[(1, 251815730), (2, 125907865), (5, 50363146), (10, 25181573), (17, 14812690), (23, 10948510), (34, 7406345), (46, 5474255), (85, 2962538), (115, 2189702), (170, 1481269), (230, 1094851), (391, 644030), (782, 322015), (1955, 128806), (3910, 64403)]