207978237138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{4951862789}}^1$

素因数の和:4951862801

約数の個数: 16

約数和(自身を含む): 475378827840

約数和(自身を除く): 267400590702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 4951862789, 9903725578, 14855588367, 29711176734, 34663039523, 69326079046, 103989118569, 207978237138]

約数ペア:

[(1, 207978237138), (2, 103989118569), (3, 69326079046), (6, 34663039523), (7, 29711176734), (14, 14855588367), (21, 9903725578), (42, 4951862789)]