221799368

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{17761}}^1$

素因数の和:17997

約数の個数: 32

約数和(自身を含む): 477442560

約数和(自身を除く): 255643192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 17761, 35522, 71044, 124327, 142088, 248654, 497308, 994616, 3960703, 7921406, 15842812, 27724921, 31685624, 55449842, 110899684, 221799368]

約数ペア:

[(1, 221799368), (2, 110899684), (4, 55449842), (7, 31685624), (8, 27724921), (14, 15842812), (28, 7921406), (56, 3960703), (223, 994616), (446, 497308), (892, 248654), (1561, 142088), (1784, 124327), (3122, 71044), (6244, 35522), (12488, 17761)]