51138115

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4441}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 72919872

約数和(自身を除く): 21781757

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 4441, 11515, 22205, 31087, 155435, 208727, 217609, 1043635, 1088045, 1461089, 7305445, 10227623, 51138115]

約数ペア:

[(1, 51138115), (5, 10227623), (7, 7305445), (35, 1461089), (47, 1088045), (49, 1043635), (235, 217609), (245, 208727), (329, 155435), (1645, 31087), (2303, 22205), (4441, 11515)]