51615690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{245789}}^1$

素因数の和:245806

約数の個数: 32

約数和(自身を含む): 141575040

約数和(自身を除く): 89959350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 245789, 491578, 737367, 1228945, 1474734, 1720523, 2457890, 3441046, 3686835, 5161569, 7373670, 8602615, 10323138, 17205230, 25807845, 51615690]

約数ペア:

[(1, 51615690), (2, 25807845), (3, 17205230), (5, 10323138), (6, 8602615), (7, 7373670), (10, 5161569), (14, 3686835), (15, 3441046), (21, 2457890), (30, 1720523), (35, 1474734), (42, 1228945), (70, 737367), (105, 491578), (210, 245789)]