1308752

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:686

約数の個数: 20

約数和(自身を含む): 2556756

約数和(自身を除く): 1248004

約数列:

[1, 2, 4, 8, 16, 157, 314, 521, 628, 1042, 1256, 2084, 2512, 4168, 8336, 81797, 163594, 327188, 654376, 1308752]

約数ペア:

[(1, 1308752), (2, 654376), (4, 327188), (8, 163594), (16, 81797), (157, 8336), (314, 4168), (521, 2512), (628, 2084), (1042, 1256)]