28185509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 3333211

約数列:

[1, 11, 71, 151, 239, 781, 1661, 2629, 10721, 16969, 36089, 117931, 186659, 396979, 2562319, 28185509]

約数ペア:

[(1, 28185509), (11, 2562319), (71, 396979), (151, 186659), (239, 117931), (781, 36089), (1661, 16969), (2629, 10721)]