89881168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{432121}}^1$

素因数の和:432142

約数の個数: 20

約数和(自身を含む): 187540948

約数和(自身を除く): 97659780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 432121, 864242, 1728484, 3456968, 5617573, 6913936, 11235146, 22470292, 44940584, 89881168]

約数ペア:

[(1, 89881168), (2, 44940584), (4, 22470292), (8, 11235146), (13, 6913936), (16, 5617573), (26, 3456968), (52, 1728484), (104, 864242), (208, 432121)]