72668666

素因数分解:

$2^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 40

約数和(自身を含む): 130918740

約数和(自身を除く): 58250074

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 409, 518, 686, 818, 1813, 2401, 2863, 3626, 4802, 5726, 12691, 15133, 20041, 25382, 30266, 40082, 88837, 105931, 140287, 177674, 211862, 280574, 741517, 982009, 1483034, 1964018, 5190619, 10381238, 36334333, 72668666]

約数ペア:

[(1, 72668666), (2, 36334333), (7, 10381238), (14, 5190619), (37, 1964018), (49, 1483034), (74, 982009), (98, 741517), (259, 280574), (343, 211862), (409, 177674), (518, 140287), (686, 105931), (818, 88837), (1813, 40082), (2401, 30266), (2863, 25382), (3626, 20041), (4802, 15133), (5726, 12691)]