217568512

素因数分解:

$2^8\times 7^1\times {\mathrm{317}}^1\times {\mathrm{383}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 499193856

約数和(自身を除く): 281625344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 317, 383, 448, 634, 766, 896, 1268, 1532, 1792, 2219, 2536, 2681, 3064, 4438, 5072, 5362, 6128, 8876, 10144, 10724, 12256, 17752, 20288, 21448, 24512, 35504, 40576, 42896, 49024, 71008, 81152, 85792, 98048, 121411, 142016, 171584, 242822, 284032, 343168, 485644, 568064, 686336, 849877, 971288, 1699754, 1942576, 3399508, 3885152, 6799016, 7770304, 13598032, 15540608, 27196064, 31081216, 54392128, 108784256, 217568512]

約数ペア:

[(1, 217568512), (2, 108784256), (4, 54392128), (7, 31081216), (8, 27196064), (14, 15540608), (16, 13598032), (28, 7770304), (32, 6799016), (56, 3885152), (64, 3399508), (112, 1942576), (128, 1699754), (224, 971288), (256, 849877), (317, 686336), (383, 568064), (448, 485644), (634, 343168), (766, 284032), (896, 242822), (1268, 171584), (1532, 142016), (1792, 121411), (2219, 98048), (2536, 85792), (2681, 81152), (3064, 71008), (4438, 49024), (5072, 42896), (5362, 40576), (6128, 35504), (8876, 24512), (10144, 21448), (10724, 20288), (12256, 17752)]