686756876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1423}}^1\times {\mathrm{9281}}^1$

素因数の和:10721

約数の個数: 24

約数和(自身を含む): 1295321664

約数和(自身を除く): 608564788

約数列:

[1, 2, 4, 13, 26, 52, 1423, 2846, 5692, 9281, 18499, 18562, 36998, 37124, 73996, 120653, 241306, 482612, 13206863, 26413726, 52827452, 171689219, 343378438, 686756876]

約数ペア:

[(1, 686756876), (2, 343378438), (4, 171689219), (13, 52827452), (26, 26413726), (52, 13206863), (1423, 482612), (2846, 241306), (5692, 120653), (9281, 73996), (18499, 37124), (18562, 36998)]