644322034

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{107999}}^1$

素因数の和:108177

約数の個数: 16

約数和(自身を含む): 1023840000

約数和(自身を除く): 379517966

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 107999, 215998, 2051981, 4103962, 16955843, 33911686, 322161017, 644322034]

約数ペア:

[(1, 644322034), (2, 322161017), (19, 33911686), (38, 16955843), (157, 4103962), (314, 2051981), (2983, 215998), (5966, 107999)]