31581286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 53273376

約数和(自身を除く): 21692090

約数列:

[1, 2, 11, 22, 61, 101, 122, 202, 233, 466, 671, 1111, 1342, 2222, 2563, 5126, 6161, 12322, 14213, 23533, 28426, 47066, 67771, 135542, 156343, 258863, 312686, 517726, 1435513, 2871026, 15790643, 31581286]

約数ペア:

[(1, 31581286), (2, 15790643), (11, 2871026), (22, 1435513), (61, 517726), (101, 312686), (122, 258863), (202, 156343), (233, 135542), (466, 67771), (671, 47066), (1111, 28426), (1342, 23533), (2222, 14213), (2563, 12322), (5126, 6161)]