1280147281

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 1537544448

約数和(自身を除く): 257397167

約数列:

[1, 7, 43, 61, 113, 301, 427, 617, 791, 2623, 4319, 4859, 6893, 18361, 26531, 34013, 37637, 48251, 69721, 185717, 263459, 296399, 488047, 1618391, 2074793, 2998003, 4252981, 11328737, 20986021, 29770867, 182878183, 1280147281]

約数ペア:

[(1, 1280147281), (7, 182878183), (43, 29770867), (61, 20986021), (113, 11328737), (301, 4252981), (427, 2998003), (617, 2074793), (791, 1618391), (2623, 488047), (4319, 296399), (4859, 263459), (6893, 185717), (18361, 69721), (26531, 48251), (34013, 37637)]