71902285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4271}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 109089792

約数和(自身を除く): 37187507

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 4271, 16835, 21355, 29897, 55523, 149485, 158027, 277615, 388661, 790135, 1106189, 1943305, 2054351, 5530945, 10271755, 14380457, 71902285]

約数ペア:

[(1, 71902285), (5, 14380457), (7, 10271755), (13, 5530945), (35, 2054351), (37, 1943305), (65, 1106189), (91, 790135), (185, 388661), (259, 277615), (455, 158027), (481, 149485), (1295, 55523), (2405, 29897), (3367, 21355), (4271, 16835)]