213817838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{20107}}^1$

素因数の和:20531

約数の個数: 16

約数和(自身を含む): 346259760

約数和(自身を除く): 132441922

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 20107, 40214, 261391, 522782, 8223763, 16447526, 106908919, 213817838]

約数ペア:

[(1, 213817838), (2, 106908919), (13, 16447526), (26, 8223763), (409, 522782), (818, 261391), (5317, 40214), (10634, 20107)]