12804515

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 16005600

約数和(自身を除く): 3201085

約数列:

[1, 5, 29, 145, 233, 379, 1165, 1895, 6757, 10991, 33785, 54955, 88307, 441535, 2560903, 12804515]

約数ペア:

[(1, 12804515), (5, 2560903), (29, 441535), (145, 88307), (233, 54955), (379, 33785), (1165, 10991), (1895, 6757)]