399362398

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{47017}}^1$

素因数の和:47187

約数の個数: 16

約数和(自身を含む): 622894464

約数和(自身を除く): 223532066

約数列:

[1, 2, 31, 62, 137, 274, 4247, 8494, 47017, 94034, 1457527, 2915054, 6441329, 12882658, 199681199, 399362398]

約数ペア:

[(1, 399362398), (2, 199681199), (31, 12882658), (62, 6441329), (137, 2915054), (274, 1457527), (4247, 94034), (8494, 47017)]