128551472

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5147}}^1$

素因数の和:5385

約数の個数: 40

約数和(自身を含む): 285981696

約数和(自身を除く): 157430224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 5147, 6244, 10294, 12488, 20588, 24976, 36029, 41176, 72058, 82352, 144116, 288232, 576464, 1147781, 2295562, 4591124, 8034467, 9182248, 16068934, 18364496, 32137868, 64275736, 128551472]

約数ペア:

[(1, 128551472), (2, 64275736), (4, 32137868), (7, 18364496), (8, 16068934), (14, 9182248), (16, 8034467), (28, 4591124), (56, 2295562), (112, 1147781), (223, 576464), (446, 288232), (892, 144116), (1561, 82352), (1784, 72058), (3122, 41176), (3568, 36029), (5147, 24976), (6244, 20588), (10294, 12488)]