25228425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 45211392

約数和(自身を除く): 19982967

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 421, 425, 705, 799, 1175, 1263, 1275, 2105, 2397, 3525, 3995, 6315, 7157, 10525, 11985, 19787, 19975, 21471, 31575, 35785, 59361, 59925, 98935, 107355, 178925, 296805, 336379, 494675, 536775, 1009137, 1484025, 1681895, 5045685, 8409475, 25228425]

約数ペア:

[(1, 25228425), (3, 8409475), (5, 5045685), (15, 1681895), (17, 1484025), (25, 1009137), (47, 536775), (51, 494675), (75, 336379), (85, 296805), (141, 178925), (235, 107355), (255, 98935), (421, 59925), (425, 59361), (705, 35785), (799, 31575), (1175, 21471), (1263, 19975), (1275, 19787), (2105, 11985), (2397, 10525), (3525, 7157), (3995, 6315)]