81574948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17239}}^1$

素因数の和:17276

約数の個数: 36

約数和(自身を含む): 176675520

約数和(自身を除く): 95100572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 17239, 34478, 68956, 120673, 224107, 241346, 448214, 482692, 896428, 1568749, 2913391, 3137498, 5826782, 6274996, 11653564, 20393737, 40787474, 81574948]

約数ペア:

[(1, 81574948), (2, 40787474), (4, 20393737), (7, 11653564), (13, 6274996), (14, 5826782), (26, 3137498), (28, 2913391), (52, 1568749), (91, 896428), (169, 482692), (182, 448214), (338, 241346), (364, 224107), (676, 120673), (1183, 68956), (2366, 34478), (4732, 17239)]