72617168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349121}}^1$

素因数の和:349142

約数の個数: 20

約数和(自身を含む): 151518948

約数和(自身を除く): 78901780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349121, 698242, 1396484, 2792968, 4538573, 5585936, 9077146, 18154292, 36308584, 72617168]

約数ペア:

[(1, 72617168), (2, 36308584), (4, 18154292), (8, 9077146), (13, 5585936), (16, 4538573), (26, 2792968), (52, 1396484), (104, 698242), (208, 349121)]