499945025

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 636816384

約数和(自身を除く): 136871359

約数列:

[1, 5, 25, 53, 127, 265, 635, 1325, 2971, 3175, 6731, 14855, 33655, 74275, 157463, 168275, 377317, 787315, 1886585, 3936575, 9432925, 19997801, 99989005, 499945025]

約数ペア:

[(1, 499945025), (5, 99989005), (25, 19997801), (53, 9432925), (127, 3936575), (265, 1886585), (635, 787315), (1325, 377317), (2971, 168275), (3175, 157463), (6731, 74275), (14855, 33655)]