890997116

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{6247}}^1$

素因数の和:6629

約数の個数: 24

約数和(自身を含む): 1576070496

約数和(自身を除く): 685073380

約数列:

[1, 2, 4, 181, 197, 362, 394, 724, 788, 6247, 12494, 24988, 35657, 71314, 142628, 1130707, 1230659, 2261414, 2461318, 4522828, 4922636, 222749279, 445498558, 890997116]

約数ペア:

[(1, 890997116), (2, 445498558), (4, 222749279), (181, 4922636), (197, 4522828), (362, 2461318), (394, 2261414), (724, 1230659), (788, 1130707), (6247, 142628), (12494, 71314), (24988, 35657)]