128876276

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 228543840

約数和(自身を除く): 99667564

約数列:

[1, 2, 4, 157, 163, 314, 326, 628, 652, 1259, 2518, 5036, 25591, 51182, 102364, 197663, 205217, 395326, 410434, 790652, 820868, 32219069, 64438138, 128876276]

約数ペア:

[(1, 128876276), (2, 64438138), (4, 32219069), (157, 820868), (163, 790652), (314, 410434), (326, 395326), (628, 205217), (652, 197663), (1259, 102364), (2518, 51182), (5036, 25591)]