81170336

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195121}}^1$

素因数の和:195144

約数の個数: 24

約数和(自身を含む): 172097604

約数和(自身を除く): 90927268

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195121, 390242, 780484, 1560968, 2536573, 3121936, 5073146, 6243872, 10146292, 20292584, 40585168, 81170336]

約数ペア:

[(1, 81170336), (2, 40585168), (4, 20292584), (8, 10146292), (13, 6243872), (16, 5073146), (26, 3121936), (32, 2536573), (52, 1560968), (104, 780484), (208, 390242), (416, 195121)]