221259904

素因数分解:

$2^7\times {\mathrm{1728593}}^1$

素因数の和:1728607

約数の個数: 16

約数和(自身を含む): 440791470

約数和(自身を除く): 219531566

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1728593, 3457186, 6914372, 13828744, 27657488, 55314976, 110629952, 221259904]

約数ペア:

[(1, 221259904), (2, 110629952), (4, 55314976), (8, 27657488), (16, 13828744), (32, 6914372), (64, 3457186), (128, 1728593)]