678657684

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{253609}}^1$

素因数の和:253839

約数の個数: 24

約数和(自身を含む): 1590641920

約数和(自身を除く): 911984236

約数列:

[1, 2, 3, 4, 6, 12, 223, 446, 669, 892, 1338, 2676, 253609, 507218, 760827, 1014436, 1521654, 3043308, 56554807, 113109614, 169664421, 226219228, 339328842, 678657684]

約数ペア:

[(1, 678657684), (2, 339328842), (3, 226219228), (4, 169664421), (6, 113109614), (12, 56554807), (223, 3043308), (446, 1521654), (669, 1014436), (892, 760827), (1338, 507218), (2676, 253609)]