87870055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{617}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 130402944

約数和(自身を除く): 42532889

約数列:

[1, 5, 7, 13, 35, 65, 91, 313, 455, 617, 1565, 2191, 3085, 4069, 4319, 8021, 10955, 20345, 21595, 28483, 40105, 56147, 142415, 193121, 280735, 965605, 1351847, 2510573, 6759235, 12552865, 17574011, 87870055]

約数ペア:

[(1, 87870055), (5, 17574011), (7, 12552865), (13, 6759235), (35, 2510573), (65, 1351847), (91, 965605), (313, 280735), (455, 193121), (617, 142415), (1565, 56147), (2191, 40105), (3085, 28483), (4069, 21595), (4319, 20345), (8021, 10955)]