678434604

素因数分解:

$2^2\times 3^1\times {\mathrm{6991}}^1\times {\mathrm{8087}}^1$

素因数の和:15085

約数の個数: 24

約数和(自身を含む): 1583436288

約数和(自身を除く): 905001684

約数列:

[1, 2, 3, 4, 6, 12, 6991, 8087, 13982, 16174, 20973, 24261, 27964, 32348, 41946, 48522, 83892, 97044, 56536217, 113072434, 169608651, 226144868, 339217302, 678434604]

約数ペア:

[(1, 678434604), (2, 339217302), (3, 226144868), (4, 169608651), (6, 113072434), (12, 56536217), (6991, 97044), (8087, 83892), (13982, 48522), (16174, 41946), (20973, 32348), (24261, 27964)]