81354214

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 133249536

約数和(自身を除く): 51895322

約数列:

[1, 2, 17, 34, 67, 71, 134, 142, 503, 1006, 1139, 1207, 2278, 2414, 4757, 8551, 9514, 17102, 33701, 35713, 67402, 71426, 80869, 161738, 572917, 607121, 1145834, 1214242, 2392771, 4785542, 40677107, 81354214]

約数ペア:

[(1, 81354214), (2, 40677107), (17, 4785542), (34, 2392771), (67, 1214242), (71, 1145834), (134, 607121), (142, 572917), (503, 161738), (1006, 80869), (1139, 71426), (1207, 67402), (2278, 35713), (2414, 33701), (4757, 17102), (8551, 9514)]