208534911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:4015

約数の個数: 32

約数和(自身を含む): 316431360

約数和(自身を除く): 107896449

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 377, 611, 1131, 1363, 1833, 3923, 4089, 11769, 17719, 50999, 53157, 113767, 152997, 184381, 341301, 553143, 1478971, 2396953, 4436913, 5347049, 7190859, 16041147, 69511637, 208534911]

約数ペア:

[(1, 208534911), (3, 69511637), (13, 16041147), (29, 7190859), (39, 5347049), (47, 4436913), (87, 2396953), (141, 1478971), (377, 553143), (611, 341301), (1131, 184381), (1363, 152997), (1833, 113767), (3923, 53157), (4089, 50999), (11769, 17719)]