64415216

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{25643}}^1$

素因数の和:25808

約数の個数: 20

約数和(自身を含む): 125604312

約数和(自身を除く): 61189096

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 25643, 51286, 102572, 205144, 410288, 4025951, 8051902, 16103804, 32207608, 64415216]

約数ペア:

[(1, 64415216), (2, 32207608), (4, 16103804), (8, 8051902), (16, 4025951), (157, 410288), (314, 205144), (628, 102572), (1256, 51286), (2512, 25643)]