1293360415

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{21187}}^1$

素因数の和:21642

約数の個数: 16

約数和(自身を含む): 1609440480

約数和(自身を除く): 316080065

約数列:

[1, 5, 29, 145, 421, 2105, 12209, 21187, 61045, 105935, 614423, 3072115, 8919727, 44598635, 258672083, 1293360415]

約数ペア:

[(1, 1293360415), (5, 258672083), (29, 44598635), (145, 8919727), (421, 3072115), (2105, 614423), (12209, 105935), (21187, 61045)]