28661456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{105373}}^1$

素因数の和:105398

約数の個数: 20

約数和(自身を含む): 58798692

約数和(自身を除く): 30137236

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 105373, 210746, 421492, 842984, 1685968, 1791341, 3582682, 7165364, 14330728, 28661456]

約数ペア:

[(1, 28661456), (2, 14330728), (4, 7165364), (8, 3582682), (16, 1791341), (17, 1685968), (34, 842984), (68, 421492), (136, 210746), (272, 105373)]