489766975

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{941}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 616746240

約数和(自身を除く): 126979265

約数列:

[1, 5, 25, 109, 191, 545, 941, 955, 2725, 4705, 4775, 20819, 23525, 102569, 104095, 179731, 512845, 520475, 898655, 2564225, 4493275, 19590679, 97953395, 489766975]

約数ペア:

[(1, 489766975), (5, 97953395), (25, 19590679), (109, 4493275), (191, 2564225), (545, 898655), (941, 520475), (955, 512845), (2725, 179731), (4705, 104095), (4775, 102569), (20819, 23525)]