61987745

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 75936000

約数和(自身を除く): 13948255

約数列:

[1, 5, 79, 139, 395, 695, 1129, 5645, 10981, 54905, 89191, 156931, 445955, 784655, 12397549, 61987745]

約数ペア:

[(1, 61987745), (5, 12397549), (79, 784655), (139, 445955), (395, 156931), (695, 89191), (1129, 54905), (5645, 10981)]