256519706

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1\times {\mathrm{1321}}^1$

素因数の和:2117

約数の個数: 16

約数和(自身を含む): 388223808

約数和(自身を除く): 131704102

約数列:

[1, 2, 151, 302, 643, 1286, 1321, 2642, 97093, 194186, 199471, 398942, 849403, 1698806, 128259853, 256519706]

約数ペア:

[(1, 256519706), (2, 128259853), (151, 1698806), (302, 849403), (643, 398942), (1286, 199471), (1321, 194186), (2642, 97093)]