86890534

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1\times {\mathrm{797}}^1$

素因数の和:988

約数の個数: 24

約数和(自身を含む): 138641328

約数和(自身を除く): 51750794

約数列:

[1, 2, 19, 38, 151, 302, 361, 722, 797, 1594, 2869, 5738, 15143, 30286, 54511, 109022, 120347, 240694, 287717, 575434, 2286593, 4573186, 43445267, 86890534]

約数ペア:

[(1, 86890534), (2, 43445267), (19, 4573186), (38, 2286593), (151, 575434), (302, 287717), (361, 240694), (722, 120347), (797, 109022), (1594, 54511), (2869, 30286), (5738, 15143)]