11787775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 15400800

約数和(自身を除く): 3613025

約数列:

[1, 5, 25, 29, 71, 145, 229, 355, 725, 1145, 1775, 2059, 5725, 6641, 10295, 16259, 33205, 51475, 81295, 166025, 406475, 471511, 2357555, 11787775]

約数ペア:

[(1, 11787775), (5, 2357555), (25, 471511), (29, 406475), (71, 166025), (145, 81295), (229, 51475), (355, 33205), (725, 16259), (1145, 10295), (1775, 6641), (2059, 5725)]