16538875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 22486464

約数和(自身を除く): 5947589

約数列:

[1, 5, 17, 25, 43, 85, 125, 181, 215, 425, 731, 905, 1075, 2125, 3077, 3655, 4525, 5375, 7783, 15385, 18275, 22625, 38915, 76925, 91375, 132311, 194575, 384625, 661555, 972875, 3307775, 16538875]

約数ペア:

[(1, 16538875), (5, 3307775), (17, 972875), (25, 661555), (43, 384625), (85, 194575), (125, 132311), (181, 91375), (215, 76925), (425, 38915), (731, 22625), (905, 18275), (1075, 15385), (2125, 7783), (3077, 5375), (3655, 4525)]