12561976

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 27197280

約数和(自身を除く): 14635304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2221, 2828, 4442, 5656, 8884, 15547, 17768, 31094, 62188, 124376, 224321, 448642, 897284, 1570247, 1794568, 3140494, 6280988, 12561976]

約数ペア:

[(1, 12561976), (2, 6280988), (4, 3140494), (7, 1794568), (8, 1570247), (14, 897284), (28, 448642), (56, 224321), (101, 124376), (202, 62188), (404, 31094), (707, 17768), (808, 15547), (1414, 8884), (2221, 5656), (2828, 4442)]