28087124

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41549}}^1$

素因数の和:41579

約数の個数: 18

約数和(自身を含む): 53225550

約数和(自身を除く): 25138426

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41549, 83098, 166196, 540137, 1080274, 2160548, 7021781, 14043562, 28087124]

約数ペア:

[(1, 28087124), (2, 14043562), (4, 7021781), (13, 2160548), (26, 1080274), (52, 540137), (169, 166196), (338, 83098), (676, 41549)]