15721476325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{226943}}^1$

素因数の和:227133

約数の個数: 24

約数和(自身を含む): 20768099328

約数和(自身を除く): 5046623003

約数列:

[1, 5, 17, 25, 85, 163, 425, 815, 2771, 4075, 13855, 69275, 226943, 1134715, 3858031, 5673575, 19290155, 36991709, 96450775, 184958545, 628859053, 924792725, 3144295265, 15721476325]

約数ペア:

[(1, 15721476325), (5, 3144295265), (17, 924792725), (25, 628859053), (85, 184958545), (163, 96450775), (425, 36991709), (815, 19290155), (2771, 5673575), (4075, 3858031), (13855, 1134715), (69275, 226943)]