28487875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 39207168

約数和(自身を除く): 10719293

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 373, 611, 1175, 1625, 1865, 3055, 4849, 5875, 9325, 15275, 17531, 24245, 46625, 76375, 87655, 121225, 227903, 438275, 606125, 1139515, 2191375, 5697575, 28487875]

約数ペア:

[(1, 28487875), (5, 5697575), (13, 2191375), (25, 1139515), (47, 606125), (65, 438275), (125, 227903), (235, 121225), (325, 87655), (373, 76375), (611, 46625), (1175, 24245), (1625, 17531), (1865, 15275), (3055, 9325), (4849, 5875)]