81795779

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 95523120

約数和(自身を除く): 13727341

約数列:

[1, 13, 19, 41, 197, 247, 533, 779, 1681, 2561, 3743, 8077, 10127, 21853, 31939, 48659, 105001, 153463, 331157, 415207, 1995019, 4305041, 6291983, 81795779]

約数ペア:

[(1, 81795779), (13, 6291983), (19, 4305041), (41, 1995019), (197, 415207), (247, 331157), (533, 153463), (779, 105001), (1681, 48659), (2561, 31939), (3743, 21853), (8077, 10127)]