78898808

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1087}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 152232960

約数和(自身を除く): 73334152

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 344, 422, 844, 1087, 1688, 2174, 4348, 8696, 9073, 18146, 36292, 46741, 72584, 93482, 186964, 229357, 373928, 458714, 917428, 1834856, 9862351, 19724702, 39449404, 78898808]

約数ペア:

[(1, 78898808), (2, 39449404), (4, 19724702), (8, 9862351), (43, 1834856), (86, 917428), (172, 458714), (211, 373928), (344, 229357), (422, 186964), (844, 93482), (1087, 72584), (1688, 46741), (2174, 36292), (4348, 18146), (8696, 9073)]