641936

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 20

約数和(自身を含む): 1268892

約数和(自身を除く): 626956

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 757, 848, 1514, 3028, 6056, 12112, 40121, 80242, 160484, 320968, 641936]

約数ペア:

[(1, 641936), (2, 320968), (4, 160484), (8, 80242), (16, 40121), (53, 12112), (106, 6056), (212, 3028), (424, 1514), (757, 848)]