51889012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 109105920

約数和(自身を除く): 57216908

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 197, 322, 394, 409, 644, 788, 818, 1379, 1636, 2758, 2863, 4531, 5516, 5726, 9062, 9407, 11452, 18124, 18814, 31717, 37628, 63434, 65849, 80573, 126868, 131698, 161146, 263396, 322292, 564011, 1128022, 1853179, 2256044, 3706358, 7412716, 12972253, 25944506, 51889012]

約数ペア:

[(1, 51889012), (2, 25944506), (4, 12972253), (7, 7412716), (14, 3706358), (23, 2256044), (28, 1853179), (46, 1128022), (92, 564011), (161, 322292), (197, 263396), (322, 161146), (394, 131698), (409, 126868), (644, 80573), (788, 65849), (818, 63434), (1379, 37628), (1636, 31717), (2758, 18814), (2863, 18124), (4531, 11452), (5516, 9407), (5726, 9062)]