49999565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 76066560

約数和(自身を除く): 26066995

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 2129, 2135, 3355, 4697, 10645, 14903, 23419, 23485, 74515, 117095, 129869, 163933, 649345, 819665, 909083, 1428559, 4545415, 7142795, 9999913, 49999565]

約数ペア:

[(1, 49999565), (5, 9999913), (7, 7142795), (11, 4545415), (35, 1428559), (55, 909083), (61, 819665), (77, 649345), (305, 163933), (385, 129869), (427, 117095), (671, 74515), (2129, 23485), (2135, 23419), (3355, 14903), (4697, 10645)]