25198978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 46247040

約数和(自身を除く): 21048062

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 1553, 2318, 3106, 8113, 10871, 16226, 21742, 29507, 59014, 94733, 189466, 206549, 413098, 663131, 1326262, 1799927, 3599854, 12599489, 25198978]

約数ペア:

[(1, 25198978), (2, 12599489), (7, 3599854), (14, 1799927), (19, 1326262), (38, 663131), (61, 413098), (122, 206549), (133, 189466), (266, 94733), (427, 59014), (854, 29507), (1159, 21742), (1553, 16226), (2318, 10871), (3106, 8113)]