388247999

素因数分解:

${\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 407773440

約数和(自身を除く): 19525441

約数列:

[1, 31, 113, 137, 809, 3503, 4247, 15481, 25079, 91417, 110833, 479911, 2833927, 3435823, 12524129, 388247999]

約数ペア:

[(1, 388247999), (31, 12524129), (113, 3435823), (137, 2833927), (809, 479911), (3503, 110833), (4247, 91417), (15481, 25079)]