25105213

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 32716800

約数和(自身を除く): 7611587

約数列:

[1, 7, 19, 23, 29, 133, 161, 203, 283, 437, 551, 667, 1981, 3059, 3857, 4669, 5377, 6509, 8207, 12673, 37639, 45563, 57449, 88711, 123671, 155933, 188761, 865697, 1091531, 1321327, 3586459, 25105213]

約数ペア:

[(1, 25105213), (7, 3586459), (19, 1321327), (23, 1091531), (29, 865697), (133, 188761), (161, 155933), (203, 123671), (283, 88711), (437, 57449), (551, 45563), (667, 37639), (1981, 12673), (3059, 8207), (3857, 6509), (4669, 5377)]