78389805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 145621152

約数和(自身を除く): 67231347

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 107, 169, 195, 221, 255, 289, 321, 507, 535, 663, 845, 867, 1105, 1391, 1445, 1605, 1819, 2535, 2873, 3315, 3757, 4173, 4335, 5457, 6955, 8619, 9095, 11271, 14365, 18083, 18785, 20865, 23647, 27285, 30923, 43095, 48841, 54249, 56355, 70941, 90415, 92769, 118235, 146523, 154615, 244205, 271245, 307411, 354705, 401999, 463845, 732615, 922233, 1205997, 1537055, 2009995, 4611165, 5225987, 6029985, 15677961, 26129935, 78389805]

約数ペア:

[(1, 78389805), (3, 26129935), (5, 15677961), (13, 6029985), (15, 5225987), (17, 4611165), (39, 2009995), (51, 1537055), (65, 1205997), (85, 922233), (107, 732615), (169, 463845), (195, 401999), (221, 354705), (255, 307411), (289, 271245), (321, 244205), (507, 154615), (535, 146523), (663, 118235), (845, 92769), (867, 90415), (1105, 70941), (1391, 56355), (1445, 54249), (1605, 48841), (1819, 43095), (2535, 30923), (2873, 27285), (3315, 23647), (3757, 20865), (4173, 18785), (4335, 18083), (5457, 14365), (6955, 11271), (8619, 9095)]