281445632

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4499

約数の個数: 72

約数和(自身を含む): 636992160

約数和(自身を除く): 355546528

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4451, 4864, 7904, 8902, 15808, 17804, 31616, 35608, 57863, 63232, 71216, 84569, 115726, 142432, 169138, 231452, 284864, 338276, 462904, 569728, 676552, 925808, 1099397, 1139456, 1353104, 1851616, 2198794, 2706208, 3703232, 4397588, 5412416, 7406464, 8795176, 10824832, 14812928, 17590352, 21649664, 35180704, 70361408, 140722816, 281445632]

約数ペア:

[(1, 281445632), (2, 140722816), (4, 70361408), (8, 35180704), (13, 21649664), (16, 17590352), (19, 14812928), (26, 10824832), (32, 8795176), (38, 7406464), (52, 5412416), (64, 4397588), (76, 3703232), (104, 2706208), (128, 2198794), (152, 1851616), (208, 1353104), (247, 1139456), (256, 1099397), (304, 925808), (416, 676552), (494, 569728), (608, 462904), (832, 338276), (988, 284864), (1216, 231452), (1664, 169138), (1976, 142432), (2432, 115726), (3328, 84569), (3952, 71216), (4451, 63232), (4864, 57863), (7904, 35608), (8902, 31616), (15808, 17804)]