87977318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9923}}^1$

素因数の和:9980

約数の個数: 32

約数和(自身を含む): 160054272

約数和(自身を除く): 72076954

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 4433, 8866, 9923, 19846, 109153, 128999, 218306, 257998, 307613, 615226, 1418989, 2837978, 3383743, 3998969, 6767486, 7997938, 43988659, 87977318]

約数ペア:

[(1, 87977318), (2, 43988659), (11, 7997938), (13, 6767486), (22, 3998969), (26, 3383743), (31, 2837978), (62, 1418989), (143, 615226), (286, 307613), (341, 257998), (403, 218306), (682, 128999), (806, 109153), (4433, 19846), (8866, 9923)]