86978236

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 154699776

約数和(自身を除く): 67721540

約数列:

[1, 2, 4, 127, 131, 254, 262, 508, 524, 1307, 2614, 5228, 16637, 33274, 66548, 165989, 171217, 331978, 342434, 663956, 684868, 21744559, 43489118, 86978236]

約数ペア:

[(1, 86978236), (2, 43489118), (4, 21744559), (127, 684868), (131, 663956), (254, 342434), (262, 331978), (508, 171217), (524, 165989), (1307, 66548), (2614, 33274), (5228, 16637)]