65686768

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18919}}^1$

素因数の和:18965

約数の個数: 40

約数和(自身を含む): 150149120

約数和(自身を除く): 84462352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 18919, 37838, 75676, 132433, 151352, 264866, 302704, 529732, 586489, 1059464, 1172978, 2118928, 2345956, 4105423, 4691912, 8210846, 9383824, 16421692, 32843384, 65686768]

約数ペア:

[(1, 65686768), (2, 32843384), (4, 16421692), (7, 9383824), (8, 8210846), (14, 4691912), (16, 4105423), (28, 2345956), (31, 2118928), (56, 1172978), (62, 1059464), (112, 586489), (124, 529732), (217, 302704), (248, 264866), (434, 151352), (496, 132433), (868, 75676), (1736, 37838), (3472, 18919)]