128815204

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{124339}}^1$

素因数の和:124387

約数の個数: 24

約数和(自身を含む): 264595520

約数和(自身を除く): 135780316

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 124339, 248678, 497356, 870373, 1740746, 3481492, 4600543, 9201086, 18402172, 32203801, 64407602, 128815204]

約数ペア:

[(1, 128815204), (2, 64407602), (4, 32203801), (7, 18402172), (14, 9201086), (28, 4600543), (37, 3481492), (74, 1740746), (148, 870373), (259, 497356), (518, 248678), (1036, 124339)]