25616218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 42229440

約数和(自身を除く): 16613222

約数列:

[1, 2, 19, 38, 43, 61, 86, 122, 257, 514, 817, 1159, 1634, 2318, 2623, 4883, 5246, 9766, 11051, 15677, 22102, 31354, 49837, 99674, 209969, 297863, 419938, 595726, 674111, 1348222, 12808109, 25616218]

約数ペア:

[(1, 25616218), (2, 12808109), (19, 1348222), (38, 674111), (43, 595726), (61, 419938), (86, 297863), (122, 209969), (257, 99674), (514, 49837), (817, 31354), (1159, 22102), (1634, 15677), (2318, 11051), (2623, 9766), (4883, 5246)]