84123728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2053}}^1$

素因数の和:2271

約数の個数: 40

約数和(自身を含む): 176504328

約数和(自身を除く): 92380600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 2053, 2561, 3152, 4106, 5122, 8212, 10244, 16424, 20488, 26689, 32848, 40976, 53378, 106756, 213512, 404441, 427024, 808882, 1617764, 3235528, 5257733, 6471056, 10515466, 21030932, 42061864, 84123728]

約数ペア:

[(1, 84123728), (2, 42061864), (4, 21030932), (8, 10515466), (13, 6471056), (16, 5257733), (26, 3235528), (52, 1617764), (104, 808882), (197, 427024), (208, 404441), (394, 213512), (788, 106756), (1576, 53378), (2053, 40976), (2561, 32848), (3152, 26689), (4106, 20488), (5122, 16424), (8212, 10244)]