311918341

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{19973}}^1$

素因数の和:20100

約数の個数: 16

約数和(自身を含む): 375830784

約数和(自身を除く): 63912443

約数列:

[1, 7, 23, 97, 161, 679, 2231, 15617, 19973, 139811, 459379, 1937381, 3215653, 13561667, 44559763, 311918341]

約数ペア:

[(1, 311918341), (7, 44559763), (23, 13561667), (97, 3215653), (161, 1937381), (679, 459379), (2231, 139811), (15617, 19973)]