68840513

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{613}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 80399616

約数和(自身を除く): 11559103

約数列:

[1, 7, 61, 263, 427, 613, 1841, 4291, 16043, 37393, 112301, 161219, 261751, 1128533, 9834359, 68840513]

約数ペア:

[(1, 68840513), (7, 9834359), (61, 1128533), (263, 261751), (427, 161219), (613, 112301), (1841, 37393), (4291, 16043)]