561809878

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{15299}}^1$

素因数の和:15412

約数の個数: 32

約数和(自身を含む): 1001721600

約数和(自身を除く): 439911722

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 602, 854, 2623, 5246, 15299, 18361, 30598, 36722, 107093, 214186, 657857, 933239, 1315714, 1866478, 4604999, 6532673, 9209998, 13065346, 40129277, 80258554, 280904939, 561809878]

約数ペア:

[(1, 561809878), (2, 280904939), (7, 80258554), (14, 40129277), (43, 13065346), (61, 9209998), (86, 6532673), (122, 4604999), (301, 1866478), (427, 1315714), (602, 933239), (854, 657857), (2623, 214186), (5246, 107093), (15299, 36722), (18361, 30598)]