1390565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 1843776

約数和(自身を除く): 453211

約数列:

[1, 5, 11, 55, 131, 193, 655, 965, 1441, 2123, 7205, 10615, 25283, 126415, 278113, 1390565]

約数ペア:

[(1, 1390565), (5, 278113), (11, 126415), (55, 25283), (131, 10615), (193, 7205), (655, 2123), (965, 1441)]