81264136

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{937}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 157190040

約数和(自身を除く): 75925904

約数列:

[1, 2, 4, 8, 37, 74, 148, 293, 296, 586, 937, 1172, 1874, 2344, 3748, 7496, 10841, 21682, 34669, 43364, 69338, 86728, 138676, 274541, 277352, 549082, 1098164, 2196328, 10158017, 20316034, 40632068, 81264136]

約数ペア:

[(1, 81264136), (2, 40632068), (4, 20316034), (8, 10158017), (37, 2196328), (74, 1098164), (148, 549082), (293, 277352), (296, 274541), (586, 138676), (937, 86728), (1172, 69338), (1874, 43364), (2344, 34669), (3748, 21682), (7496, 10841)]