1236888978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15857551}}^1$

素因数の和:15857569

約数の個数: 16

約数和(自身を含む): 2664068736

約数和(自身を除く): 1427179758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 15857551, 31715102, 47572653, 95145306, 206148163, 412296326, 618444489, 1236888978]

約数ペア:

[(1, 1236888978), (2, 618444489), (3, 412296326), (6, 206148163), (13, 95145306), (26, 47572653), (39, 31715102), (78, 15857551)]