213405802

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1\times {\mathrm{2731}}^1$

素因数の和:3261

約数の個数: 16

約数和(自身を含む): 324561600

約数和(自身を除く): 111155798

約数列:

[1, 2, 89, 178, 439, 878, 2731, 5462, 39071, 78142, 243059, 486118, 1198909, 2397818, 106702901, 213405802]

約数ペア:

[(1, 213405802), (2, 106702901), (89, 2397818), (178, 1198909), (439, 486118), (878, 243059), (2731, 78142), (5462, 39071)]