8421168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 25284096

約数和(自身を除く): 16862928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 353, 426, 497, 568, 706, 852, 994, 1059, 1136, 1412, 1491, 1704, 1988, 2118, 2471, 2824, 2982, 3408, 3976, 4236, 4942, 5648, 5964, 7413, 7952, 8472, 9884, 11928, 14826, 16944, 19768, 23856, 25063, 29652, 39536, 50126, 59304, 75189, 100252, 118608, 150378, 175441, 200504, 300756, 350882, 401008, 526323, 601512, 701764, 1052646, 1203024, 1403528, 2105292, 2807056, 4210584, 8421168]

約数ペア:

[(1, 8421168), (2, 4210584), (3, 2807056), (4, 2105292), (6, 1403528), (7, 1203024), (8, 1052646), (12, 701764), (14, 601512), (16, 526323), (21, 401008), (24, 350882), (28, 300756), (42, 200504), (48, 175441), (56, 150378), (71, 118608), (84, 100252), (112, 75189), (142, 59304), (168, 50126), (213, 39536), (284, 29652), (336, 25063), (353, 23856), (426, 19768), (497, 16944), (568, 14826), (706, 11928), (852, 9884), (994, 8472), (1059, 7952), (1136, 7413), (1412, 5964), (1491, 5648), (1704, 4942), (1988, 4236), (2118, 3976), (2471, 3408), (2824, 2982)]