28265412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3469}}^1$

素因数の和:3580

約数の個数: 48

約数和(自身を含む): 76173440

約数和(自身を除く): 47908028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2716, 3469, 4074, 6938, 8148, 10407, 13876, 20814, 24283, 41628, 48566, 72849, 97132, 145698, 291396, 336493, 672986, 1009479, 1345972, 2018958, 2355451, 4037916, 4710902, 7066353, 9421804, 14132706, 28265412]

約数ペア:

[(1, 28265412), (2, 14132706), (3, 9421804), (4, 7066353), (6, 4710902), (7, 4037916), (12, 2355451), (14, 2018958), (21, 1345972), (28, 1009479), (42, 672986), (84, 336493), (97, 291396), (194, 145698), (291, 97132), (388, 72849), (582, 48566), (679, 41628), (1164, 24283), (1358, 20814), (2037, 13876), (2716, 10407), (3469, 8148), (4074, 6938)]