28866488

素因数分解:

$2^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 63441000

約数和(自身を除く): 34574512

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 211, 349, 392, 422, 698, 844, 1396, 1477, 1688, 2443, 2792, 2954, 4886, 5908, 9772, 10339, 11816, 17101, 19544, 20678, 34202, 41356, 68404, 73639, 82712, 136808, 147278, 294556, 515473, 589112, 1030946, 2061892, 3608311, 4123784, 7216622, 14433244, 28866488]

約数ペア:

[(1, 28866488), (2, 14433244), (4, 7216622), (7, 4123784), (8, 3608311), (14, 2061892), (28, 1030946), (49, 589112), (56, 515473), (98, 294556), (196, 147278), (211, 136808), (349, 82712), (392, 73639), (422, 68404), (698, 41356), (844, 34202), (1396, 20678), (1477, 19544), (1688, 17101), (2443, 11816), (2792, 10339), (2954, 9772), (4886, 5908)]