209872088

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{1051}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 399234000

約数和(自身を除く): 189361912

約数列:

[1, 2, 4, 8, 109, 218, 229, 436, 458, 872, 916, 1051, 1832, 2102, 4204, 8408, 24961, 49922, 99844, 114559, 199688, 229118, 240679, 458236, 481358, 916472, 962716, 1925432, 26234011, 52468022, 104936044, 209872088]

約数ペア:

[(1, 209872088), (2, 104936044), (4, 52468022), (8, 26234011), (109, 1925432), (218, 962716), (229, 916472), (436, 481358), (458, 458236), (872, 240679), (916, 229118), (1051, 199688), (1832, 114559), (2102, 99844), (4204, 49922), (8408, 24961)]