67899517

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 80653312

約数和(自身を除く): 12753795

約数列:

[1, 7, 31, 157, 217, 1099, 1993, 4867, 13951, 34069, 61783, 312901, 432481, 2190307, 9699931, 67899517]

約数ペア:

[(1, 67899517), (7, 9699931), (31, 2190307), (157, 432481), (217, 312901), (1099, 61783), (1993, 34069), (4867, 13951)]