71978144

素因数分解:

$2^5\times 7^1\times {\mathrm{321331}}^1$

素因数の和:321348

約数の個数: 24

約数和(自身を含む): 161951328

約数和(自身を除く): 89973184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 321331, 642662, 1285324, 2249317, 2570648, 4498634, 5141296, 8997268, 10282592, 17994536, 35989072, 71978144]

約数ペア:

[(1, 71978144), (2, 35989072), (4, 17994536), (7, 10282592), (8, 8997268), (14, 5141296), (16, 4498634), (28, 2570648), (32, 2249317), (56, 1285324), (112, 642662), (224, 321331)]