22206880213

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{402131}}^1$

素因数の和:402182

約数の個数: 20

約数和(自身を含む): 27032921568

約数和(自身を除く): 4826041355

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 7889, 55223, 402131, 2814917, 9249013, 19704419, 64743091, 137930933, 453201637, 965516531, 3172411459, 22206880213]

約数ペア:

[(1, 22206880213), (7, 3172411459), (23, 965516531), (49, 453201637), (161, 137930933), (343, 64743091), (1127, 19704419), (2401, 9249013), (7889, 2814917), (55223, 402131)]