78860735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 99845760

約数和(自身を除く): 20985025

約数列:

[1, 5, 19, 95, 643, 1291, 3215, 6455, 12217, 24529, 61085, 122645, 830113, 4150565, 15772147, 78860735]

約数ペア:

[(1, 78860735), (5, 15772147), (19, 4150565), (95, 830113), (643, 122645), (1291, 61085), (3215, 24529), (6455, 12217)]