81681472

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{12391}}^1$

素因数の和:12506

約数の個数: 28

約数和(自身を含む): 163673536

約数和(自身を除く): 81992064

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3296, 6592, 12391, 24782, 49564, 99128, 198256, 396512, 793024, 1276273, 2552546, 5105092, 10210184, 20420368, 40840736, 81681472]

約数ペア:

[(1, 81681472), (2, 40840736), (4, 20420368), (8, 10210184), (16, 5105092), (32, 2552546), (64, 1276273), (103, 793024), (206, 396512), (412, 198256), (824, 99128), (1648, 49564), (3296, 24782), (6592, 12391)]