2100155905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{38917}}^1$

素因数の和:39216

約数の個数: 16

約数和(自身を含む): 2589136704

約数和(自身を除く): 488980799

約数列:

[1, 5, 43, 215, 251, 1255, 10793, 38917, 53965, 194585, 1673431, 8367155, 9768167, 48840835, 420031181, 2100155905]

約数ペア:

[(1, 2100155905), (5, 420031181), (43, 48840835), (215, 9768167), (251, 8367155), (1255, 1673431), (10793, 194585), (38917, 53965)]