209315572

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1216951}}^1$

素因数の和:1216998

約数の個数: 12

約数和(自身を含む): 374821216

約数和(自身を除く): 165505644

約数列:

[1, 2, 4, 43, 86, 172, 1216951, 2433902, 4867804, 52328893, 104657786, 209315572]

約数ペア:

[(1, 209315572), (2, 104657786), (4, 52328893), (43, 4867804), (86, 2433902), (172, 1216951)]