78016945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 102228480

約数和(自身を除く): 24211535

約数列:

[1, 5, 19, 47, 95, 101, 173, 235, 505, 865, 893, 1919, 3287, 4465, 4747, 8131, 9595, 16435, 17473, 23735, 40655, 87365, 90193, 154489, 331987, 450965, 772445, 821231, 1659935, 4106155, 15603389, 78016945]

約数ペア:

[(1, 78016945), (5, 15603389), (19, 4106155), (47, 1659935), (95, 821231), (101, 772445), (173, 450965), (235, 331987), (505, 154489), (865, 90193), (893, 87365), (1919, 40655), (3287, 23735), (4465, 17473), (4747, 16435), (8131, 9595)]