40838644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 90478080

約数和(自身を除く): 49639436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1474, 1876, 1979, 2948, 3958, 5159, 7916, 10318, 13853, 20636, 21769, 27706, 43538, 55412, 87076, 132593, 152383, 265186, 304766, 530372, 609532, 928151, 1458523, 1856302, 2917046, 3712604, 5834092, 10209661, 20419322, 40838644]

約数ペア:

[(1, 40838644), (2, 20419322), (4, 10209661), (7, 5834092), (11, 3712604), (14, 2917046), (22, 1856302), (28, 1458523), (44, 928151), (67, 609532), (77, 530372), (134, 304766), (154, 265186), (268, 152383), (308, 132593), (469, 87076), (737, 55412), (938, 43538), (1474, 27706), (1876, 21769), (1979, 20636), (2948, 13853), (3958, 10318), (5159, 7916)]