67901771

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 80018880

約数和(自身を除く): 12117109

約数列:

[1, 7, 37, 259, 409, 641, 2863, 4487, 15133, 23717, 105931, 166019, 262169, 1835183, 9700253, 67901771]

約数ペア:

[(1, 67901771), (7, 9700253), (37, 1835183), (259, 262169), (409, 166019), (641, 105931), (2863, 23717), (4487, 15133)]