25389448

素因数分解:

$2^3\times 7^2\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 55814400

約数和(自身を除く): 30424952

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 239, 271, 392, 478, 542, 956, 1084, 1673, 1897, 1912, 2168, 3346, 3794, 6692, 7588, 11711, 13279, 13384, 15176, 23422, 26558, 46844, 53116, 64769, 93688, 106232, 129538, 259076, 453383, 518152, 906766, 1813532, 3173681, 3627064, 6347362, 12694724, 25389448]

約数ペア:

[(1, 25389448), (2, 12694724), (4, 6347362), (7, 3627064), (8, 3173681), (14, 1813532), (28, 906766), (49, 518152), (56, 453383), (98, 259076), (196, 129538), (239, 106232), (271, 93688), (392, 64769), (478, 53116), (542, 46844), (956, 26558), (1084, 23422), (1673, 15176), (1897, 13384), (1912, 13279), (2168, 11711), (3346, 7588), (3794, 6692)]