219585604

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{128563}}^1$

素因数の和:128635

約数の個数: 24

約数和(自身を含む): 446374208

約数和(自身を除く): 226788604

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 128563, 257126, 514252, 899941, 1799882, 3599764, 7842343, 15684686, 31369372, 54896401, 109792802, 219585604]

約数ペア:

[(1, 219585604), (2, 109792802), (4, 54896401), (7, 31369372), (14, 15684686), (28, 7842343), (61, 3599764), (122, 1799882), (244, 899941), (427, 514252), (854, 257126), (1708, 128563)]