1990991574

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{773501}}^1$

素因数の和:773533

約数の個数: 48

約数和(自身を含む): 5067985104

約数和(自身を除く): 3076993530

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 773501, 1547002, 2320503, 4641006, 6961509, 8508511, 10055513, 13923018, 17017022, 20111026, 25525533, 30166539, 51051066, 60333078, 76576599, 90499617, 110610643, 153153198, 180999234, 221221286, 331831929, 663663858, 995495787, 1990991574]

約数ペア:

[(1, 1990991574), (2, 995495787), (3, 663663858), (6, 331831929), (9, 221221286), (11, 180999234), (13, 153153198), (18, 110610643), (22, 90499617), (26, 76576599), (33, 60333078), (39, 51051066), (66, 30166539), (78, 25525533), (99, 20111026), (117, 17017022), (143, 13923018), (198, 10055513), (234, 8508511), (286, 6961509), (429, 4641006), (858, 2320503), (1287, 1547002), (2574, 773501)]