51684815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3917}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 78986880

約数和(自身を除く): 27302065

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2639, 3917, 13195, 19585, 27419, 50921, 113593, 137095, 254605, 356447, 567965, 795151, 1476709, 1782235, 3975755, 7383545, 10336963, 51684815]

約数ペア:

[(1, 51684815), (5, 10336963), (7, 7383545), (13, 3975755), (29, 1782235), (35, 1476709), (65, 795151), (91, 567965), (145, 356447), (203, 254605), (377, 137095), (455, 113593), (1015, 50921), (1885, 27419), (2639, 19585), (3917, 13195)]