218426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 16

約数和(自身を含む): 365568

約数和(自身を除く): 147142

約数列:

[1, 2, 13, 26, 31, 62, 271, 403, 542, 806, 3523, 7046, 8401, 16802, 109213, 218426]

約数ペア:

[(1, 218426), (2, 109213), (13, 16802), (26, 8401), (31, 7046), (62, 3523), (271, 806), (403, 542)]