1280708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 2634240

約数和(自身を除く): 1353532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 2239, 4478, 8956, 24629, 29107, 49258, 58214, 98516, 116428, 320177, 640354, 1280708]

約数ペア:

[(1, 1280708), (2, 640354), (4, 320177), (11, 116428), (13, 98516), (22, 58214), (26, 49258), (44, 29107), (52, 24629), (143, 8956), (286, 4478), (572, 2239)]