129213208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{521021}}^1$

素因数の和:521058

約数の個数: 16

約数和(自身を含む): 250090560

約数和(自身を除く): 120877352

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 521021, 1042042, 2084084, 4168168, 16151651, 32303302, 64606604, 129213208]

約数ペア:

[(1, 129213208), (2, 64606604), (4, 32303302), (8, 16151651), (31, 4168168), (62, 2084084), (124, 1042042), (248, 521021)]