28661276

素因数分解:

$2^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 36

約数和(自身を含む): 58653000

約数和(自身を除く): 29991724

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 349, 419, 698, 838, 1396, 1676, 2443, 2933, 4886, 5866, 9772, 11732, 17101, 20531, 34202, 41062, 68404, 82124, 146231, 292462, 584924, 1023617, 2047234, 4094468, 7165319, 14330638, 28661276]

約数ペア:

[(1, 28661276), (2, 14330638), (4, 7165319), (7, 4094468), (14, 2047234), (28, 1023617), (49, 584924), (98, 292462), (196, 146231), (349, 82124), (419, 68404), (698, 41062), (838, 34202), (1396, 20531), (1676, 17101), (2443, 11732), (2933, 9772), (4886, 5866)]