399221198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{82723}}^1$

素因数の和:82871

約数の個数: 16

約数和(自身を含む): 635320320

約数和(自身を除く): 236099122

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4826, 82723, 165446, 1571737, 3143474, 10505821, 21011642, 199610599, 399221198]

約数ペア:

[(1, 399221198), (2, 199610599), (19, 21011642), (38, 10505821), (127, 3143474), (254, 1571737), (2413, 165446), (4826, 82723)]