638526245

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{3217}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 900834048

約数和(自身を除く): 262307803

約数列:

[1, 5, 7, 35, 53, 107, 265, 371, 535, 749, 1855, 3217, 3745, 5671, 16085, 22519, 28355, 39697, 112595, 170501, 198485, 344219, 852505, 1193507, 1721095, 2409533, 5967535, 12047665, 18243607, 91218035, 127705249, 638526245]

約数ペア:

[(1, 638526245), (5, 127705249), (7, 91218035), (35, 18243607), (53, 12047665), (107, 5967535), (265, 2409533), (371, 1721095), (535, 1193507), (749, 852505), (1855, 344219), (3217, 198485), (3745, 170501), (5671, 112595), (16085, 39697), (22519, 28355)]