259666

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 24

約数和(自身を含む): 454860

約数和(自身を除く): 195194

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 121, 242, 319, 407, 638, 814, 1073, 2146, 3509, 4477, 7018, 8954, 11803, 23606, 129833, 259666]

約数ペア:

[(1, 259666), (2, 129833), (11, 23606), (22, 11803), (29, 8954), (37, 7018), (58, 4477), (74, 3509), (121, 2146), (242, 1073), (319, 814), (407, 638)]