221437190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{2531}}^1$

素因数の和:3224

約数の個数: 32

約数和(自身を含む): 430055136

約数和(自身を除く): 208617946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 673, 1346, 2531, 3365, 5062, 6730, 8749, 12655, 17498, 25310, 32903, 43745, 65806, 87490, 164515, 329030, 1703363, 3406726, 8516815, 17033630, 22143719, 44287438, 110718595, 221437190]

約数ペア:

[(1, 221437190), (2, 110718595), (5, 44287438), (10, 22143719), (13, 17033630), (26, 8516815), (65, 3406726), (130, 1703363), (673, 329030), (1346, 164515), (2531, 87490), (3365, 65806), (5062, 43745), (6730, 32903), (8749, 25310), (12655, 17498)]