78789978

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{61651}}^1$

素因数の和:61730

約数の個数: 24

約数和(自身を含む): 173118816

約数和(自身を除く): 94328838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 61651, 123302, 184953, 369906, 554859, 1109718, 4377221, 8754442, 13131663, 26263326, 39394989, 78789978]

約数ペア:

[(1, 78789978), (2, 39394989), (3, 26263326), (6, 13131663), (9, 8754442), (18, 4377221), (71, 1109718), (142, 554859), (213, 369906), (426, 184953), (639, 123302), (1278, 61651)]