81236948

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7069}}^1$

素因数の和:7116

約数の個数: 36

約数和(自身を含む): 163020060

約数和(自身を除く): 81783112

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2873, 5746, 7069, 11492, 14138, 28276, 91897, 120173, 183794, 240346, 367588, 480692, 1194661, 1562249, 2389322, 3124498, 4778644, 6248996, 20309237, 40618474, 81236948]

約数ペア:

[(1, 81236948), (2, 40618474), (4, 20309237), (13, 6248996), (17, 4778644), (26, 3124498), (34, 2389322), (52, 1562249), (68, 1194661), (169, 480692), (221, 367588), (338, 240346), (442, 183794), (676, 120173), (884, 91897), (2873, 28276), (5746, 14138), (7069, 11492)]