25666575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 21580401

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 159, 165, 265, 275, 583, 587, 795, 825, 1325, 1749, 1761, 2915, 2935, 3975, 6457, 8745, 8805, 14575, 14675, 19371, 31111, 32285, 43725, 44025, 93333, 96855, 155555, 161425, 342221, 466665, 484275, 777775, 1026663, 1711105, 2333325, 5133315, 8555525, 25666575]

約数ペア:

[(1, 25666575), (3, 8555525), (5, 5133315), (11, 2333325), (15, 1711105), (25, 1026663), (33, 777775), (53, 484275), (55, 466665), (75, 342221), (159, 161425), (165, 155555), (265, 96855), (275, 93333), (583, 44025), (587, 43725), (795, 32285), (825, 31111), (1325, 19371), (1749, 14675), (1761, 14575), (2915, 8805), (2935, 8745), (3975, 6457)]