28005804

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 72962400

約数和(自身を除く): 44956596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 771, 1009, 1028, 1542, 2018, 2313, 3027, 3084, 4036, 4626, 6054, 6939, 9081, 9252, 12108, 13878, 18162, 27243, 27756, 36324, 54486, 108972, 259313, 518626, 777939, 1037252, 1555878, 2333817, 3111756, 4667634, 7001451, 9335268, 14002902, 28005804]

約数ペア:

[(1, 28005804), (2, 14002902), (3, 9335268), (4, 7001451), (6, 4667634), (9, 3111756), (12, 2333817), (18, 1555878), (27, 1037252), (36, 777939), (54, 518626), (108, 259313), (257, 108972), (514, 54486), (771, 36324), (1009, 27756), (1028, 27243), (1542, 18162), (2018, 13878), (2313, 12108), (3027, 9252), (3084, 9081), (4036, 6939), (4626, 6054)]