205799951

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 248209920

約数和(自身を除く): 42409969

約数列:

[1, 7, 41, 49, 89, 287, 623, 1151, 2009, 3649, 4361, 8057, 25543, 47191, 56399, 102439, 178801, 330337, 717073, 2312359, 4199999, 5019511, 29399993, 205799951]

約数ペア:

[(1, 205799951), (7, 29399993), (41, 5019511), (49, 4199999), (89, 2312359), (287, 717073), (623, 330337), (1151, 178801), (2009, 102439), (3649, 56399), (4361, 47191), (8057, 25543)]