81120508

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11273}}^1$

素因数の和:11541

約数の個数: 24

約数和(自身を含む): 162886752

約数和(自身を除く): 81766244

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 11273, 22546, 45092, 78911, 157822, 315644, 2897161, 5794322, 11588644, 20280127, 40560254, 81120508]

約数ペア:

[(1, 81120508), (2, 40560254), (4, 20280127), (7, 11588644), (14, 5794322), (28, 2897161), (257, 315644), (514, 157822), (1028, 78911), (1799, 45092), (3598, 22546), (7196, 11273)]