42091985

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 55317240

約数和(自身を除く): 13225255

約数列:

[1, 5, 13, 65, 109, 169, 457, 545, 845, 1417, 2285, 5941, 7085, 18421, 29705, 49813, 77233, 92105, 249065, 386165, 647569, 3237845, 8418397, 42091985]

約数ペア:

[(1, 42091985), (5, 8418397), (13, 3237845), (65, 647569), (109, 386165), (169, 249065), (457, 92105), (545, 77233), (845, 49813), (1417, 29705), (2285, 18421), (5941, 7085)]