80624999

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 111732480

約数和(自身を除く): 31107481

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 169, 211, 221, 247, 323, 1183, 1477, 1547, 1729, 2261, 2743, 2873, 3211, 3587, 4009, 4199, 19201, 20111, 22477, 25109, 28063, 29393, 35659, 46631, 52117, 54587, 68153, 249613, 326417, 364819, 382109, 477071, 606203, 677521, 885989, 4243421, 4742647, 6201923, 11517857, 80624999]

約数ペア:

[(1, 80624999), (7, 11517857), (13, 6201923), (17, 4742647), (19, 4243421), (91, 885989), (119, 677521), (133, 606203), (169, 477071), (211, 382109), (221, 364819), (247, 326417), (323, 249613), (1183, 68153), (1477, 54587), (1547, 52117), (1729, 46631), (2261, 35659), (2743, 29393), (2873, 28063), (3211, 25109), (3587, 22477), (4009, 20111), (4199, 19201)]