80646412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13781}}^1$

素因数の和:13822

約数の個数: 48

約数和(自身を含む): 185230080

約数和(自身を除く): 104583668

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 13781, 27562, 55124, 96467, 151591, 192934, 261839, 303182, 385868, 523678, 606364, 1047356, 1061137, 1832873, 2122274, 2880229, 3665746, 4244548, 5760458, 7331492, 11520916, 20161603, 40323206, 80646412]

約数ペア:

[(1, 80646412), (2, 40323206), (4, 20161603), (7, 11520916), (11, 7331492), (14, 5760458), (19, 4244548), (22, 3665746), (28, 2880229), (38, 2122274), (44, 1832873), (76, 1061137), (77, 1047356), (133, 606364), (154, 523678), (209, 385868), (266, 303182), (308, 261839), (418, 192934), (532, 151591), (836, 96467), (1463, 55124), (2926, 27562), (5852, 13781)]