128500628

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{2029}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 229178880

約数和(自身を除く): 100678252

約数列:

[1, 2, 4, 71, 142, 223, 284, 446, 892, 2029, 4058, 8116, 15833, 31666, 63332, 144059, 288118, 452467, 576236, 904934, 1809868, 32125157, 64250314, 128500628]

約数ペア:

[(1, 128500628), (2, 64250314), (4, 32125157), (71, 1809868), (142, 904934), (223, 576236), (284, 452467), (446, 288118), (892, 144059), (2029, 63332), (4058, 31666), (8116, 15833)]