90817168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{436621}}^1$

素因数の和:436642

約数の個数: 20

約数和(自身を含む): 189493948

約数和(自身を除く): 98676780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 436621, 873242, 1746484, 3492968, 5676073, 6985936, 11352146, 22704292, 45408584, 90817168]

約数ペア:

[(1, 90817168), (2, 45408584), (4, 22704292), (8, 11352146), (13, 6985936), (16, 5676073), (26, 3492968), (52, 1746484), (104, 873242), (208, 436621)]