201025855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{12841}}^1$

素因数の和:12978

約数の個数: 16

約数和(自身を含む): 251497728

約数和(自身を除く): 50471873

約数列:

[1, 5, 31, 101, 155, 505, 3131, 12841, 15655, 64205, 398071, 1296941, 1990355, 6484705, 40205171, 201025855]

約数ペア:

[(1, 201025855), (5, 40205171), (31, 6484705), (101, 1990355), (155, 1296941), (505, 398071), (3131, 64205), (12841, 15655)]