644671454

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{16763}}^1$

素因数の和:16880

約数の個数: 32

約数和(自身を含む): 1149071616

約数和(自身を除く): 504400162

約数列:

[1, 2, 7, 14, 41, 67, 82, 134, 287, 469, 574, 938, 2747, 5494, 16763, 19229, 33526, 38458, 117341, 234682, 687283, 1123121, 1374566, 2246242, 4810981, 7861847, 9621962, 15723694, 46047961, 92095922, 322335727, 644671454]

約数ペア:

[(1, 644671454), (2, 322335727), (7, 92095922), (14, 46047961), (41, 15723694), (67, 9621962), (82, 7861847), (134, 4810981), (287, 2246242), (469, 1374566), (574, 1123121), (938, 687283), (2747, 234682), (5494, 117341), (16763, 38458), (19229, 33526)]