25840171

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 6991829

約数列:

[1, 7, 19, 37, 59, 89, 133, 259, 413, 623, 703, 1121, 1691, 2183, 3293, 4921, 5251, 7847, 11837, 15281, 23051, 36757, 41477, 62567, 99769, 194287, 290339, 437969, 698383, 1360009, 3691453, 25840171]

約数ペア:

[(1, 25840171), (7, 3691453), (19, 1360009), (37, 698383), (59, 437969), (89, 290339), (133, 194287), (259, 99769), (413, 62567), (623, 41477), (703, 36757), (1121, 23051), (1691, 15281), (2183, 11837), (3293, 7847), (4921, 5251)]