81225584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1931}}^1$

素因数の和:2189

約数の個数: 40

約数和(自身を含む): 172488960

約数和(自身を除く): 91263376

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 478, 956, 1912, 1931, 2629, 3824, 3862, 5258, 7724, 10516, 15448, 21032, 21241, 30896, 42064, 42482, 84964, 169928, 339856, 461509, 923018, 1846036, 3692072, 5076599, 7384144, 10153198, 20306396, 40612792, 81225584]

約数ペア:

[(1, 81225584), (2, 40612792), (4, 20306396), (8, 10153198), (11, 7384144), (16, 5076599), (22, 3692072), (44, 1846036), (88, 923018), (176, 461509), (239, 339856), (478, 169928), (956, 84964), (1912, 42482), (1931, 42064), (2629, 30896), (3824, 21241), (3862, 21032), (5258, 15448), (7724, 10516)]