28985225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 37482720

約数和(自身を除く): 8497495

約数列:

[1, 5, 25, 43, 59, 215, 295, 457, 1075, 1475, 2285, 2537, 11425, 12685, 19651, 26963, 63425, 98255, 134815, 491275, 674075, 1159409, 5797045, 28985225]

約数ペア:

[(1, 28985225), (5, 5797045), (25, 1159409), (43, 674075), (59, 491275), (215, 134815), (295, 98255), (457, 63425), (1075, 26963), (1475, 19651), (2285, 12685), (2537, 11425)]