137291216

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{20479}}^1$

素因数の和:20906

約数の個数: 20

約数和(自身を含む): 266649600

約数和(自身を除く): 129358384

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 20479, 40958, 81916, 163832, 327664, 8580701, 17161402, 34322804, 68645608, 137291216]

約数ペア:

[(1, 137291216), (2, 68645608), (4, 34322804), (8, 17161402), (16, 8580701), (419, 327664), (838, 163832), (1676, 81916), (3352, 40958), (6704, 20479)]