81939672

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19289}}^1$

素因数の和:19360

約数の個数: 48

約数和(自身を含む): 225693000

約数和(自身を除く): 143753328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 19289, 38578, 57867, 77156, 115734, 154312, 173601, 231468, 347202, 462936, 694404, 1138051, 1388808, 2276102, 3414153, 4552204, 6828306, 9104408, 10242459, 13656612, 20484918, 27313224, 40969836, 81939672]

約数ペア:

[(1, 81939672), (2, 40969836), (3, 27313224), (4, 20484918), (6, 13656612), (8, 10242459), (9, 9104408), (12, 6828306), (18, 4552204), (24, 3414153), (36, 2276102), (59, 1388808), (72, 1138051), (118, 694404), (177, 462936), (236, 347202), (354, 231468), (472, 173601), (531, 154312), (708, 115734), (1062, 77156), (1416, 57867), (2124, 38578), (4248, 19289)]