28909218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{370631}}^1$

素因数の和:370649

約数の個数: 16

約数和(自身を含む): 62266176

約数和(自身を除く): 33356958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 370631, 741262, 1111893, 2223786, 4818203, 9636406, 14454609, 28909218]

約数ペア:

[(1, 28909218), (2, 14454609), (3, 9636406), (6, 4818203), (13, 2223786), (26, 1111893), (39, 741262), (78, 370631)]