12659395

素因数分解:

$5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 17835984

約数和(自身を除く): 5176589

約数列:

[1, 5, 7, 35, 49, 163, 245, 317, 815, 1141, 1585, 2219, 5705, 7987, 11095, 15533, 39935, 51671, 77665, 258355, 361697, 1808485, 2531879, 12659395]

約数ペア:

[(1, 12659395), (5, 2531879), (7, 1808485), (35, 361697), (49, 258355), (163, 77665), (245, 51671), (317, 39935), (815, 15533), (1141, 11095), (1585, 7987), (2219, 5705)]