72861305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 99187200

約数和(自身を除く): 26325895

約数列:

[1, 5, 11, 41, 55, 79, 205, 395, 409, 451, 869, 2045, 2255, 3239, 4345, 4499, 16195, 16769, 22495, 32311, 35629, 83845, 161555, 178145, 184459, 355421, 922295, 1324751, 1777105, 6623755, 14572261, 72861305]

約数ペア:

[(1, 72861305), (5, 14572261), (11, 6623755), (41, 1777105), (55, 1324751), (79, 922295), (205, 355421), (395, 184459), (409, 178145), (451, 161555), (869, 83845), (2045, 35629), (2255, 32311), (3239, 22495), (4345, 16769), (4499, 16195)]