320480872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{6791}}^1$

素因数の和:7161

約数の個数: 32

約数和(自身を含む): 638176320

約数和(自身を除く): 317695448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 347, 694, 1388, 2776, 5899, 6791, 11798, 13582, 23596, 27164, 47192, 54328, 115447, 230894, 461788, 923576, 2356477, 4712954, 9425908, 18851816, 40060109, 80120218, 160240436, 320480872]

約数ペア:

[(1, 320480872), (2, 160240436), (4, 80120218), (8, 40060109), (17, 18851816), (34, 9425908), (68, 4712954), (136, 2356477), (347, 923576), (694, 461788), (1388, 230894), (2776, 115447), (5899, 54328), (6791, 47192), (11798, 27164), (13582, 23596)]