219976688

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{133481}}^1$

素因数の和:133592

約数の個数: 20

約数和(自身を含む): 430345968

約数和(自身を除く): 210369280

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 133481, 266962, 533924, 1067848, 2135696, 13748543, 27497086, 54994172, 109988344, 219976688]

約数ペア:

[(1, 219976688), (2, 109988344), (4, 54994172), (8, 27497086), (16, 13748543), (103, 2135696), (206, 1067848), (412, 533924), (824, 266962), (1648, 133481)]