618165340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2377559}}^1$

素因数の和:2377581

約数の個数: 24

約数和(自身を含む): 1398005280

約数和(自身を除く): 779839940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2377559, 4755118, 9510236, 11887795, 23775590, 30908267, 47551180, 61816534, 123633068, 154541335, 309082670, 618165340]

約数ペア:

[(1, 618165340), (2, 309082670), (4, 154541335), (5, 123633068), (10, 61816534), (13, 47551180), (20, 30908267), (26, 23775590), (52, 11887795), (65, 9510236), (130, 4755118), (260, 2377559)]