16980785

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 4446415

約数列:

[1, 5, 23, 115, 149, 745, 991, 3427, 4955, 17135, 22793, 113965, 147659, 738295, 3396157, 16980785]

約数ペア:

[(1, 16980785), (5, 3396157), (23, 738295), (115, 147659), (149, 113965), (745, 22793), (991, 17135), (3427, 4955)]