71603987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 93434880

約数和(自身を除く): 21830893

約数列:

[1, 7, 13, 29, 43, 91, 203, 301, 377, 559, 631, 1247, 2639, 3913, 4417, 8203, 8729, 16211, 18299, 27133, 57421, 113477, 128093, 189931, 237887, 352729, 786857, 1665209, 2469103, 5507999, 10229141, 71603987]

約数ペア:

[(1, 71603987), (7, 10229141), (13, 5507999), (29, 2469103), (43, 1665209), (91, 786857), (203, 352729), (301, 237887), (377, 189931), (559, 128093), (631, 113477), (1247, 57421), (2639, 27133), (3913, 18299), (4417, 16211), (8203, 8729)]