201218615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 268531200

約数和(自身を除く): 67312585

約数列:

[1, 5, 13, 59, 65, 71, 295, 355, 739, 767, 923, 3695, 3835, 4189, 4615, 9607, 20945, 43601, 48035, 52469, 54457, 218005, 262345, 272285, 566813, 682097, 2834065, 3095671, 3410485, 15478355, 40243723, 201218615]

約数ペア:

[(1, 201218615), (5, 40243723), (13, 15478355), (59, 3410485), (65, 3095671), (71, 2834065), (295, 682097), (355, 566813), (739, 272285), (767, 262345), (923, 218005), (3695, 54457), (3835, 52469), (4189, 48035), (4615, 43601), (9607, 20945)]