2149508788

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{6991}}^1$

素因数の和:7220

約数の個数: 48

約数和(自身を含む): 4385382400

約数和(自身を除く): 2235873612

約数列:

[1, 2, 4, 7, 14, 28, 79, 139, 158, 278, 316, 553, 556, 973, 1106, 1946, 2212, 3892, 6991, 10981, 13982, 21962, 27964, 43924, 48937, 76867, 97874, 153734, 195748, 307468, 552289, 971749, 1104578, 1943498, 2209156, 3866023, 3886996, 6802243, 7732046, 13604486, 15464092, 27208972, 76768171, 153536342, 307072684, 537377197, 1074754394, 2149508788]

約数ペア:

[(1, 2149508788), (2, 1074754394), (4, 537377197), (7, 307072684), (14, 153536342), (28, 76768171), (79, 27208972), (139, 15464092), (158, 13604486), (278, 7732046), (316, 6802243), (553, 3886996), (556, 3866023), (973, 2209156), (1106, 1943498), (1946, 1104578), (2212, 971749), (3892, 552289), (6991, 307468), (10981, 195748), (13982, 153734), (21962, 97874), (27964, 76867), (43924, 48937)]