71990498

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{2053}}^1$

素因数の和:2341

約数の個数: 16

約数和(自身を含む): 109806840

約数和(自身を除く): 37816342

約数列:

[1, 2, 89, 178, 197, 394, 2053, 4106, 17533, 35066, 182717, 365434, 404441, 808882, 35995249, 71990498]

約数ペア:

[(1, 71990498), (2, 35995249), (89, 808882), (178, 404441), (197, 365434), (394, 182717), (2053, 35066), (4106, 17533)]