208022829

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 353341440

約数和(自身を除く): 145318611

約数列:

[1, 3, 7, 17, 21, 29, 51, 71, 87, 119, 203, 213, 283, 357, 493, 497, 609, 849, 1207, 1479, 1491, 1981, 2059, 3451, 3621, 4811, 5943, 6177, 8207, 8449, 10353, 14413, 14433, 20093, 24621, 25347, 33677, 35003, 43239, 57449, 60279, 101031, 105009, 139519, 140651, 172347, 245021, 341581, 418557, 421953, 582697, 735063, 976633, 1024743, 1748091, 2391067, 2929899, 4078879, 7173201, 9905849, 12236637, 29717547, 69340943, 208022829]

約数ペア:

[(1, 208022829), (3, 69340943), (7, 29717547), (17, 12236637), (21, 9905849), (29, 7173201), (51, 4078879), (71, 2929899), (87, 2391067), (119, 1748091), (203, 1024743), (213, 976633), (283, 735063), (357, 582697), (493, 421953), (497, 418557), (609, 341581), (849, 245021), (1207, 172347), (1479, 140651), (1491, 139519), (1981, 105009), (2059, 101031), (3451, 60279), (3621, 57449), (4811, 43239), (5943, 35003), (6177, 33677), (8207, 25347), (8449, 24621), (10353, 20093), (14413, 14433)]