256712116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{108961}}^1$

素因数の和:109015

約数の個数: 24

約数和(自身を含む): 488149760

約数和(自身を除く): 231437644

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 108961, 217922, 435844, 2070259, 3377791, 4140518, 6755582, 8281036, 13511164, 64178029, 128356058, 256712116]

約数ペア:

[(1, 256712116), (2, 128356058), (4, 64178029), (19, 13511164), (31, 8281036), (38, 6755582), (62, 4140518), (76, 3377791), (124, 2070259), (589, 435844), (1178, 217922), (2356, 108961)]