51487865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 73374336

約数和(自身を除く): 21886471

約数列:

[1, 5, 11, 13, 55, 65, 107, 143, 535, 673, 715, 1177, 1391, 3365, 5885, 6955, 7403, 8749, 15301, 37015, 43745, 72011, 76505, 96239, 360055, 481195, 792121, 936143, 3960605, 4680715, 10297573, 51487865]

約数ペア:

[(1, 51487865), (5, 10297573), (11, 4680715), (13, 3960605), (55, 936143), (65, 792121), (107, 481195), (143, 360055), (535, 96239), (673, 76505), (715, 72011), (1177, 43745), (1391, 37015), (3365, 15301), (5885, 8749), (6955, 7403)]