68676881

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 86796864

約数和(自身を除く): 18119983

約数列:

[1, 7, 13, 49, 91, 131, 637, 823, 917, 1703, 5761, 6419, 10699, 11921, 40327, 74893, 83447, 107813, 524251, 754691, 1401569, 5282837, 9810983, 68676881]

約数ペア:

[(1, 68676881), (7, 9810983), (13, 5282837), (49, 1401569), (91, 754691), (131, 524251), (637, 107813), (823, 83447), (917, 74893), (1703, 40327), (5761, 11921), (6419, 10699)]