689268

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 1632960

約数和(自身を除く): 943692

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 809, 852, 1618, 2427, 3236, 4854, 9708, 57439, 114878, 172317, 229756, 344634, 689268]

約数ペア:

[(1, 689268), (2, 344634), (3, 229756), (4, 172317), (6, 114878), (12, 57439), (71, 9708), (142, 4854), (213, 3236), (284, 2427), (426, 1618), (809, 852)]