81283165225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{239579}}^1$

素因数の和:239961

約数の個数: 24

約数和(自身を含む): 103561809120

約数和(自身を除く): 22278643895

約数列:

[1, 5, 25, 41, 205, 331, 1025, 1655, 8275, 13571, 67855, 239579, 339275, 1197895, 5989475, 9822739, 49113695, 79300649, 245568475, 396503245, 1982516225, 3251326609, 16256633045, 81283165225]

約数ペア:

[(1, 81283165225), (5, 16256633045), (25, 3251326609), (41, 1982516225), (205, 396503245), (331, 245568475), (1025, 79300649), (1655, 49113695), (8275, 9822739), (13571, 5989475), (67855, 1197895), (239579, 339275)]