2819245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 3975552

約数和(自身を除く): 1156307

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 3943, 19715, 43373, 51259, 216865, 256295, 563849, 2819245]

約数ペア:

[(1, 2819245), (5, 563849), (11, 256295), (13, 216865), (55, 51259), (65, 43373), (143, 19715), (715, 3943)]