81811604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{94253}}^1$

素因数の和:94295

約数の個数: 24

約数和(自身を含む): 168903168

約数和(自身を除く): 87091564

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 94253, 188506, 377012, 659771, 1319542, 2639084, 2921843, 5843686, 11687372, 20452901, 40905802, 81811604]

約数ペア:

[(1, 81811604), (2, 40905802), (4, 20452901), (7, 11687372), (14, 5843686), (28, 2921843), (31, 2639084), (62, 1319542), (124, 659771), (217, 377012), (434, 188506), (868, 94253)]