397717814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{148513}}^1$

素因数の和:148631

約数の個数: 16

約数和(自身を含む): 648709152

約数和(自身を除く): 250991338

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 148513, 297026, 1930669, 3861338, 15296839, 30593678, 198858907, 397717814]

約数ペア:

[(1, 397717814), (2, 198858907), (13, 30593678), (26, 15296839), (103, 3861338), (206, 1930669), (1339, 297026), (2678, 148513)]