78213618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{620743}}^1$

素因数の和:620758

約数の個数: 24

約数和(自身を含む): 193672128

約数和(自身を除く): 115458510

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 620743, 1241486, 1862229, 3724458, 4345201, 5586687, 8690402, 11173374, 13035603, 26071206, 39106809, 78213618]

約数ペア:

[(1, 78213618), (2, 39106809), (3, 26071206), (6, 13035603), (7, 11173374), (9, 8690402), (14, 5586687), (18, 4345201), (21, 3724458), (42, 1862229), (63, 1241486), (126, 620743)]