68880791

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 87318528

約数和(自身を除く): 18437737

約数列:

[1, 7, 23, 31, 37, 161, 217, 259, 373, 713, 851, 1147, 2611, 4991, 5957, 8029, 8579, 11563, 13801, 26381, 60053, 80941, 96607, 184667, 265949, 317423, 427831, 1861643, 2221961, 2994817, 9840113, 68880791]

約数ペア:

[(1, 68880791), (7, 9840113), (23, 2994817), (31, 2221961), (37, 1861643), (161, 427831), (217, 317423), (259, 265949), (373, 184667), (713, 96607), (851, 80941), (1147, 60053), (2611, 26381), (4991, 13801), (5957, 11563), (8029, 8579)]