1645940513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{28961}}^1$

素因数の和:29344

約数の個数: 16

約数和(自身を含む): 1968489216

約数和(自身を除く): 322548703

約数列:

[1, 7, 23, 161, 353, 2471, 8119, 28961, 56833, 202727, 666103, 4662721, 10223233, 71562631, 235134359, 1645940513]

約数ペア:

[(1, 1645940513), (7, 235134359), (23, 71562631), (161, 10223233), (353, 4662721), (2471, 666103), (8119, 202727), (28961, 56833)]