398496722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{77801}}^1$

素因数の和:78013

約数の個数: 16

約数和(自身を含む): 647001432

約数和(自身を除く): 248504710

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 77801, 155602, 1011413, 2022826, 15326797, 30653594, 199248361, 398496722]

約数ペア:

[(1, 398496722), (2, 199248361), (13, 30653594), (26, 15326797), (197, 2022826), (394, 1011413), (2561, 155602), (5122, 77801)]