257524595

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{21031}}^1$

素因数の和:21146

約数の個数: 16

約数和(自身を含む): 323051520

約数和(自身を除く): 65526925

約数列:

[1, 5, 31, 79, 155, 395, 2449, 12245, 21031, 105155, 651961, 1661449, 3259805, 8307245, 51504919, 257524595]

約数ペア:

[(1, 257524595), (5, 51504919), (31, 8307245), (79, 3259805), (155, 1661449), (395, 651961), (2449, 105155), (12245, 21031)]