221563208

素因数分解:

$2^3\times {\mathrm{1019}}^1\times {\mathrm{27179}}^1$

素因数の和:28204

約数の個数: 16

約数和(自身を含む): 415854000

約数和(自身を除く): 194290792

約数列:

[1, 2, 4, 8, 1019, 2038, 4076, 8152, 27179, 54358, 108716, 217432, 27695401, 55390802, 110781604, 221563208]

約数ペア:

[(1, 221563208), (2, 110781604), (4, 55390802), (8, 27695401), (1019, 217432), (2038, 108716), (4076, 54358), (8152, 27179)]