319651664

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{20789}}^1$

素因数の和:20859

約数の個数: 30

約数和(自身を含む): 639978570

約数和(自身を除く): 320326906

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1922, 3844, 7688, 15376, 20789, 41578, 83156, 166312, 332624, 644459, 1288918, 2577836, 5155672, 10311344, 19978229, 39956458, 79912916, 159825832, 319651664]

約数ペア:

[(1, 319651664), (2, 159825832), (4, 79912916), (8, 39956458), (16, 19978229), (31, 10311344), (62, 5155672), (124, 2577836), (248, 1288918), (496, 644459), (961, 332624), (1922, 166312), (3844, 83156), (7688, 41578), (15376, 20789)]