231640255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20747}}^1$

素因数の和:20799

約数の個数: 32

約数和(自身を含む): 358525440

約数和(自身を除く): 126885185

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 11165, 20747, 103735, 145229, 228217, 601663, 726145, 1141085, 1597519, 3008315, 4211641, 6618293, 7987595, 21058205, 33091465, 46328051, 231640255]

約数ペア:

[(1, 231640255), (5, 46328051), (7, 33091465), (11, 21058205), (29, 7987595), (35, 6618293), (55, 4211641), (77, 3008315), (145, 1597519), (203, 1141085), (319, 726145), (385, 601663), (1015, 228217), (1595, 145229), (2233, 103735), (11165, 20747)]