71987245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12959}}^1$

素因数の和:13076

約数の個数: 16

約数和(自身を含む): 95178240

約数和(自身を除く): 23190995

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 12959, 64795, 142549, 712745, 1308859, 6544295, 14397449, 71987245]

約数ペア:

[(1, 71987245), (5, 14397449), (11, 6544295), (55, 1308859), (101, 712745), (505, 142549), (1111, 64795), (5555, 12959)]