71681288

素因数分解:

$2^3\times 7^1\times {\mathrm{1280023}}^1$

素因数の和:1280036

約数の個数: 16

約数和(自身を含む): 153602880

約数和(自身を除く): 81921592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1280023, 2560046, 5120092, 8960161, 10240184, 17920322, 35840644, 71681288]

約数ペア:

[(1, 71681288), (2, 35840644), (4, 17920322), (7, 10240184), (8, 8960161), (14, 5120092), (28, 2560046), (56, 1280023)]