647425218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{24709}}^1$

素因数の和:25122

約数の個数: 32

約数和(自身を含む): 1416179520

約数和(自身を除く): 768754302

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 397, 794, 1191, 2382, 4367, 8734, 13101, 24709, 26202, 49418, 74127, 148254, 271799, 543598, 815397, 1630794, 9809473, 19618946, 29428419, 58856838, 107904203, 215808406, 323712609, 647425218]

約数ペア:

[(1, 647425218), (2, 323712609), (3, 215808406), (6, 107904203), (11, 58856838), (22, 29428419), (33, 19618946), (66, 9809473), (397, 1630794), (794, 815397), (1191, 543598), (2382, 271799), (4367, 148254), (8734, 74127), (13101, 49418), (24709, 26202)]