68808656

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 163918080

約数和(自身を除く): 95109424

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 71, 112, 119, 136, 142, 238, 272, 284, 476, 497, 509, 568, 952, 994, 1018, 1136, 1207, 1904, 1988, 2036, 2414, 3563, 3976, 4072, 4828, 7126, 7952, 8144, 8449, 8653, 9656, 14252, 16898, 17306, 19312, 28504, 33796, 34612, 36139, 57008, 60571, 67592, 69224, 72278, 121142, 135184, 138448, 144556, 242284, 252973, 289112, 484568, 505946, 578224, 614363, 969136, 1011892, 1228726, 2023784, 2457452, 4047568, 4300541, 4914904, 8601082, 9829808, 17202164, 34404328, 68808656]

約数ペア:

[(1, 68808656), (2, 34404328), (4, 17202164), (7, 9829808), (8, 8601082), (14, 4914904), (16, 4300541), (17, 4047568), (28, 2457452), (34, 2023784), (56, 1228726), (68, 1011892), (71, 969136), (112, 614363), (119, 578224), (136, 505946), (142, 484568), (238, 289112), (272, 252973), (284, 242284), (476, 144556), (497, 138448), (509, 135184), (568, 121142), (952, 72278), (994, 69224), (1018, 67592), (1136, 60571), (1207, 57008), (1904, 36139), (1988, 34612), (2036, 33796), (2414, 28504), (3563, 19312), (3976, 17306), (4072, 16898), (4828, 14252), (7126, 9656), (7952, 8653), (8144, 8449)]