28039088

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2069}}^1$

素因数の和:2106

約数の個数: 60

約数和(自身を含む): 68276880

約数和(自身を除く): 40237792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 2069, 3388, 4138, 6776, 8276, 13552, 14483, 16552, 22759, 28966, 33104, 45518, 57932, 91036, 115864, 159313, 182072, 231728, 250349, 318626, 364144, 500698, 637252, 1001396, 1274504, 1752443, 2002792, 2549008, 3504886, 4005584, 7009772, 14019544, 28039088]

約数ペア:

[(1, 28039088), (2, 14019544), (4, 7009772), (7, 4005584), (8, 3504886), (11, 2549008), (14, 2002792), (16, 1752443), (22, 1274504), (28, 1001396), (44, 637252), (56, 500698), (77, 364144), (88, 318626), (112, 250349), (121, 231728), (154, 182072), (176, 159313), (242, 115864), (308, 91036), (484, 57932), (616, 45518), (847, 33104), (968, 28966), (1232, 22759), (1694, 16552), (1936, 14483), (2069, 13552), (3388, 8276), (4138, 6776)]