28220668

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 58643200

約数和(自身を除く): 30422532

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 307, 343, 469, 614, 686, 938, 1228, 1372, 1876, 2149, 3283, 4298, 6566, 8596, 13132, 15043, 20569, 22981, 30086, 41138, 45962, 60172, 82276, 91924, 105301, 143983, 210602, 287966, 421204, 575932, 1007881, 2015762, 4031524, 7055167, 14110334, 28220668]

約数ペア:

[(1, 28220668), (2, 14110334), (4, 7055167), (7, 4031524), (14, 2015762), (28, 1007881), (49, 575932), (67, 421204), (98, 287966), (134, 210602), (196, 143983), (268, 105301), (307, 91924), (343, 82276), (469, 60172), (614, 45962), (686, 41138), (938, 30086), (1228, 22981), (1372, 20569), (1876, 15043), (2149, 13132), (3283, 8596), (4298, 6566)]