25178307

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 44520192

約数和(自身を除く): 19341885

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 677, 759, 1127, 1617, 1771, 2031, 3381, 4739, 5313, 7447, 12397, 14217, 15571, 22341, 33173, 37191, 46713, 52129, 99519, 108997, 156387, 171281, 326991, 364903, 513843, 762979, 1094709, 1198967, 2288937, 3596901, 8392769, 25178307]

約数ペア:

[(1, 25178307), (3, 8392769), (7, 3596901), (11, 2288937), (21, 1198967), (23, 1094709), (33, 762979), (49, 513843), (69, 364903), (77, 326991), (147, 171281), (161, 156387), (231, 108997), (253, 99519), (483, 52129), (539, 46713), (677, 37191), (759, 33173), (1127, 22341), (1617, 15571), (1771, 14217), (2031, 12397), (3381, 7447), (4739, 5313)]