39991256

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 76904640

約数和(自身を除く): 36913384

約数列:

[1, 2, 4, 8, 53, 106, 212, 257, 367, 424, 514, 734, 1028, 1468, 2056, 2936, 13621, 19451, 27242, 38902, 54484, 77804, 94319, 108968, 155608, 188638, 377276, 754552, 4998907, 9997814, 19995628, 39991256]

約数ペア:

[(1, 39991256), (2, 19995628), (4, 9997814), (8, 4998907), (53, 754552), (106, 377276), (212, 188638), (257, 155608), (367, 108968), (424, 94319), (514, 77804), (734, 54484), (1028, 38902), (1468, 27242), (2056, 19451), (2936, 13621)]