80977858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72431}}^1$

素因数の和:72489

約数の個数: 16

約数和(自身を含む): 133854336

約数和(自身を除く): 52876478

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72431, 144862, 941603, 1883206, 3114533, 6229066, 40488929, 80977858]

約数ペア:

[(1, 80977858), (2, 40488929), (13, 6229066), (26, 3114533), (43, 1883206), (86, 941603), (559, 144862), (1118, 72431)]