8439730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64921}}^1$

素因数の和:64941

約数の個数: 16

約数和(自身を含む): 16360344

約数和(自身を除く): 7920614

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 64921, 129842, 324605, 649210, 843973, 1687946, 4219865, 8439730]

約数ペア:

[(1, 8439730), (2, 4219865), (5, 1687946), (10, 843973), (13, 649210), (26, 324605), (65, 129842), (130, 64921)]