311910313

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 383975424

約数和(自身を除く): 72065111

約数列:

[1, 11, 13, 31, 71, 143, 341, 403, 781, 923, 991, 2201, 4433, 10153, 10901, 12883, 24211, 28613, 30721, 70361, 141713, 314743, 337931, 399373, 773971, 914693, 2181191, 4393103, 10061623, 23993101, 28355483, 311910313]

約数ペア:

[(1, 311910313), (11, 28355483), (13, 23993101), (31, 10061623), (71, 4393103), (143, 2181191), (341, 914693), (403, 773971), (781, 399373), (923, 337931), (991, 314743), (2201, 141713), (4433, 70361), (10153, 30721), (10901, 28613), (12883, 24211)]