25239116

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2190

約数の個数: 36

約数和(自身を含む): 52246656

約数和(自身を除く): 27007540

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2111, 2989, 4222, 5978, 8444, 11956, 14777, 29554, 59108, 103439, 128771, 206878, 257542, 413756, 515084, 901397, 1802794, 3605588, 6309779, 12619558, 25239116]

約数ペア:

[(1, 25239116), (2, 12619558), (4, 6309779), (7, 3605588), (14, 1802794), (28, 901397), (49, 515084), (61, 413756), (98, 257542), (122, 206878), (196, 128771), (244, 103439), (427, 59108), (854, 29554), (1708, 14777), (2111, 11956), (2989, 8444), (4222, 5978)]