77928208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 155677536

約数和(自身を除く): 77749328

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 211, 328, 422, 563, 656, 844, 1126, 1688, 2252, 3376, 4504, 8651, 9008, 17302, 23083, 34604, 46166, 69208, 92332, 118793, 138416, 184664, 237586, 369328, 475172, 950344, 1900688, 4870513, 9741026, 19482052, 38964104, 77928208]

約数ペア:

[(1, 77928208), (2, 38964104), (4, 19482052), (8, 9741026), (16, 4870513), (41, 1900688), (82, 950344), (164, 475172), (211, 369328), (328, 237586), (422, 184664), (563, 138416), (656, 118793), (844, 92332), (1126, 69208), (1688, 46166), (2252, 34604), (3376, 23083), (4504, 17302), (8651, 9008)]