80821286

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63439}}^1$

素因数の和:63468

約数の個数: 24

約数和(自身を含む): 151875360

約数和(自身を除く): 71054074

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 63439, 126878, 444073, 824707, 888146, 1649414, 3108511, 5772949, 6217022, 11545898, 40410643, 80821286]

約数ペア:

[(1, 80821286), (2, 40410643), (7, 11545898), (13, 6217022), (14, 5772949), (26, 3108511), (49, 1649414), (91, 888146), (98, 824707), (182, 444073), (637, 126878), (1274, 63439)]