55721995

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 78556032

約数和(自身を除く): 22834037

約数列:

[1, 5, 7, 35, 73, 113, 193, 365, 511, 565, 791, 965, 1351, 2555, 3955, 6755, 8249, 14089, 21809, 41245, 57743, 70445, 98623, 109045, 152663, 288715, 493115, 763315, 1592057, 7960285, 11144399, 55721995]

約数ペア:

[(1, 55721995), (5, 11144399), (7, 7960285), (35, 1592057), (73, 763315), (113, 493115), (193, 288715), (365, 152663), (511, 109045), (565, 98623), (791, 70445), (965, 57743), (1351, 41245), (2555, 21809), (3955, 14089), (6755, 8249)]