78620521

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1823}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 92279808

約数和(自身を除く): 13659287

約数列:

[1, 7, 61, 101, 427, 707, 1823, 6161, 12761, 43127, 111203, 184123, 778421, 1288861, 11231503, 78620521]

約数ペア:

[(1, 78620521), (7, 11231503), (61, 1288861), (101, 778421), (427, 184123), (707, 111203), (1823, 43127), (6161, 12761)]