81287914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{3109}}^1$

素因数の和:3897

約数の個数: 16

約数和(自身を含む): 129313800

約数和(自身を除く): 48025886

約数列:

[1, 2, 17, 34, 769, 1538, 3109, 6218, 13073, 26146, 52853, 105706, 2390821, 4781642, 40643957, 81287914]

約数ペア:

[(1, 81287914), (2, 40643957), (17, 4781642), (34, 2390821), (769, 105706), (1538, 52853), (3109, 26146), (6218, 13073)]