28737878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6781}}^1$

素因数の和:6959

約数の個数: 16

約数和(自身を含む): 46714416

約数和(自身を除く): 17976538

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 6781, 13562, 88153, 176306, 1105303, 2210606, 14368939, 28737878]

約数ペア:

[(1, 28737878), (2, 14368939), (13, 2210606), (26, 1105303), (163, 176306), (326, 88153), (2119, 13562), (4238, 6781)]