77904428

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 161817600

約数和(自身を除く): 83913172

約数列:

[1, 2, 4, 7, 14, 28, 41, 79, 82, 158, 164, 287, 316, 553, 574, 859, 1106, 1148, 1718, 2212, 3239, 3436, 6013, 6478, 12026, 12956, 22673, 24052, 35219, 45346, 67861, 70438, 90692, 135722, 140876, 246533, 271444, 475027, 493066, 950054, 986132, 1900108, 2782301, 5564602, 11129204, 19476107, 38952214, 77904428]

約数ペア:

[(1, 77904428), (2, 38952214), (4, 19476107), (7, 11129204), (14, 5564602), (28, 2782301), (41, 1900108), (79, 986132), (82, 950054), (158, 493066), (164, 475027), (287, 271444), (316, 246533), (553, 140876), (574, 135722), (859, 90692), (1106, 70438), (1148, 67861), (1718, 45346), (2212, 35219), (3239, 24052), (3436, 22673), (6013, 12956), (6478, 12026)]