690721018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{159079}}^1$

素因数の和:159261

約数の個数: 16

約数和(自身を含む): 1122468480

約数和(自身を除く): 431747462

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 159079, 318158, 2068027, 4136054, 26566193, 53132386, 345360509, 690721018]

約数ペア:

[(1, 690721018), (2, 345360509), (13, 53132386), (26, 26566193), (167, 4136054), (334, 2068027), (2171, 318158), (4342, 159079)]