81371928

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18131}}^1$

素因数の和:18168

約数の個数: 64

約数和(自身を含む): 234990720

約数和(自身を除く): 153618792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 18131, 36262, 54393, 72524, 108786, 145048, 199441, 217572, 308227, 398882, 435144, 598323, 616454, 797764, 924681, 1196646, 1232908, 1595528, 1849362, 2393292, 2465816, 3390497, 3698724, 4786584, 6780994, 7397448, 10171491, 13561988, 20342982, 27123976, 40685964, 81371928]

約数ペア:

[(1, 81371928), (2, 40685964), (3, 27123976), (4, 20342982), (6, 13561988), (8, 10171491), (11, 7397448), (12, 6780994), (17, 4786584), (22, 3698724), (24, 3390497), (33, 2465816), (34, 2393292), (44, 1849362), (51, 1595528), (66, 1232908), (68, 1196646), (88, 924681), (102, 797764), (132, 616454), (136, 598323), (187, 435144), (204, 398882), (264, 308227), (374, 217572), (408, 199441), (561, 145048), (748, 108786), (1122, 72524), (1496, 54393), (2244, 36262), (4488, 18131)]