28277788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91811}}^1$

素因数の和:91833

約数の個数: 24

約数和(自身を含む): 61697664

約数和(自身を除く): 33419876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91811, 183622, 367244, 642677, 1009921, 1285354, 2019842, 2570708, 4039684, 7069447, 14138894, 28277788]

約数ペア:

[(1, 28277788), (2, 14138894), (4, 7069447), (7, 4039684), (11, 2570708), (14, 2019842), (22, 1285354), (28, 1009921), (44, 642677), (77, 367244), (154, 183622), (308, 91811)]