30591988

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17911}}^1$

素因数の和:17983

約数の個数: 24

約数和(自身を含む): 62190464

約数和(自身を除く): 31598476

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 17911, 35822, 71644, 125377, 250754, 501508, 1092571, 2185142, 4370284, 7647997, 15295994, 30591988]

約数ペア:

[(1, 30591988), (2, 15295994), (4, 7647997), (7, 4370284), (14, 2185142), (28, 1092571), (61, 501508), (122, 250754), (244, 125377), (427, 71644), (854, 35822), (1708, 17911)]