1277161825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{3433}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 1655572608

約数和(自身を除く): 378410783

約数列:

[1, 5, 23, 25, 115, 575, 647, 3235, 3433, 14881, 16175, 17165, 74405, 78959, 85825, 372025, 394795, 1973975, 2221151, 11105755, 51086473, 55528775, 255432365, 1277161825]

約数ペア:

[(1, 1277161825), (5, 255432365), (23, 55528775), (25, 51086473), (115, 11105755), (575, 2221151), (647, 1973975), (3235, 394795), (3433, 372025), (14881, 85825), (16175, 78959), (17165, 74405)]