221565154

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{25013}}^1$

素因数の和:25161

約数の個数: 16

約数和(自身を含む): 343392192

約数和(自身を除く): 121827038

約数列:

[1, 2, 43, 86, 103, 206, 4429, 8858, 25013, 50026, 1075559, 2151118, 2576339, 5152678, 110782577, 221565154]

約数ペア:

[(1, 221565154), (2, 110782577), (43, 5152678), (86, 2576339), (103, 2151118), (206, 1075559), (4429, 50026), (8858, 25013)]