39979885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1831}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 52497792

約数和(自身を除く): 12517907

約数列:

[1, 5, 11, 55, 397, 1831, 1985, 4367, 9155, 20141, 21835, 100705, 726907, 3634535, 7995977, 39979885]

約数ペア:

[(1, 39979885), (5, 7995977), (11, 3634535), (55, 726907), (397, 100705), (1831, 21835), (1985, 20141), (4367, 9155)]