405954770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3122729}}^1$

素因数の和:3122749

約数の個数: 16

約数和(自身を含む): 786927960

約数和(自身を除く): 380973190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3122729, 6245458, 15613645, 31227290, 40595477, 81190954, 202977385, 405954770]

約数ペア:

[(1, 405954770), (2, 202977385), (5, 81190954), (10, 40595477), (13, 31227290), (26, 15613645), (65, 6245458), (130, 3122729)]