81260068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{16831}}^1$

素因数の和:16923

約数の個数: 24

約数和(自身を含む): 152699904

約数和(自身を除く): 71439836

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 16831, 33662, 67324, 286127, 572254, 1144508, 1195001, 2390002, 4780004, 20315017, 40630034, 81260068]

約数ペア:

[(1, 81260068), (2, 40630034), (4, 20315017), (17, 4780004), (34, 2390002), (68, 1195001), (71, 1144508), (142, 572254), (284, 286127), (1207, 67324), (2414, 33662), (4828, 16831)]