28135796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41621}}^1$

素因数の和:41651

約数の個数: 18

約数和(自身を含む): 53317782

約数和(自身を除く): 25181986

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41621, 83242, 166484, 541073, 1082146, 2164292, 7033949, 14067898, 28135796]

約数ペア:

[(1, 28135796), (2, 14067898), (4, 7033949), (13, 2164292), (26, 1082146), (52, 541073), (169, 166484), (338, 83242), (676, 41621)]