31471258

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 61447680

約数和(自身を除く): 29976422

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 361, 479, 494, 722, 958, 1729, 2527, 3353, 3458, 4693, 5054, 6227, 6706, 9101, 9386, 12454, 18202, 32851, 43589, 63707, 65702, 87178, 118313, 127414, 172919, 236626, 345838, 828191, 1210433, 1656382, 2247947, 2420866, 4495894, 15735629, 31471258]

約数ペア:

[(1, 31471258), (2, 15735629), (7, 4495894), (13, 2420866), (14, 2247947), (19, 1656382), (26, 1210433), (38, 828191), (91, 345838), (133, 236626), (182, 172919), (247, 127414), (266, 118313), (361, 87178), (479, 65702), (494, 63707), (722, 43589), (958, 32851), (1729, 18202), (2527, 12454), (3353, 9386), (3458, 9101), (4693, 6706), (5054, 6227)]