221330672648

素因数分解:

$2^3\times {\mathrm{5431}}^1\times {\mathrm{5094151}}^1$

素因数の和:5099588

約数の個数: 16

約数和(自身を含む): 415071504960

約数和(自身を除く): 193740832312

約数列:

[1, 2, 4, 8, 5431, 10862, 21724, 43448, 5094151, 10188302, 20376604, 40753208, 27666334081, 55332668162, 110665336324, 221330672648]

約数ペア:

[(1, 221330672648), (2, 110665336324), (4, 55332668162), (8, 27666334081), (5431, 40753208), (10862, 20376604), (21724, 10188302), (43448, 5094151)]