28721916

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{21563}}^1$

素因数の和:21610

約数の個数: 36

約数和(自身を含む): 74568312

約数和(自身を除く): 45846396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 21563, 43126, 64689, 86252, 129378, 194067, 258756, 388134, 776268, 797831, 1595662, 2393493, 3191324, 4786986, 7180479, 9573972, 14360958, 28721916]

約数ペア:

[(1, 28721916), (2, 14360958), (3, 9573972), (4, 7180479), (6, 4786986), (9, 3191324), (12, 2393493), (18, 1595662), (36, 797831), (37, 776268), (74, 388134), (111, 258756), (148, 194067), (222, 129378), (333, 86252), (444, 64689), (666, 43126), (1332, 21563)]