7209878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 24

約数和(自身を含む): 11897928

約数和(自身を除く): 4688050

約数列:

[1, 2, 13, 26, 83, 166, 169, 257, 338, 514, 1079, 2158, 3341, 6682, 14027, 21331, 28054, 42662, 43433, 86866, 277303, 554606, 3604939, 7209878]

約数ペア:

[(1, 7209878), (2, 3604939), (13, 554606), (26, 277303), (83, 86866), (166, 43433), (169, 42662), (257, 28054), (338, 21331), (514, 14027), (1079, 6682), (2158, 3341)]