208519965

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5189}}^1$

素因数の和:5266

約数の個数: 48

約数和(自身を含む): 388627200

約数和(自身を除く): 180107235

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 2115, 2679, 4465, 5189, 8037, 13395, 15567, 25945, 40185, 46701, 77835, 98591, 233505, 243883, 295773, 492955, 731649, 887319, 1219415, 1478865, 2194947, 3658245, 4436595, 4633777, 10974735, 13901331, 23168885, 41703993, 69506655, 208519965]

約数ペア:

[(1, 208519965), (3, 69506655), (5, 41703993), (9, 23168885), (15, 13901331), (19, 10974735), (45, 4633777), (47, 4436595), (57, 3658245), (95, 2194947), (141, 1478865), (171, 1219415), (235, 887319), (285, 731649), (423, 492955), (705, 295773), (855, 243883), (893, 233505), (2115, 98591), (2679, 77835), (4465, 46701), (5189, 40185), (8037, 25945), (13395, 15567)]