181219558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409999}}^1$

素因数の和:410031

約数の個数: 16

約数和(自身を含む): 309960000

約数和(自身を除く): 128740442

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 409999, 819998, 5329987, 6969983, 10659974, 13939966, 90609779, 181219558]

約数ペア:

[(1, 181219558), (2, 90609779), (13, 13939966), (17, 10659974), (26, 6969983), (34, 5329987), (221, 819998), (442, 409999)]