72989879

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 77837760

約数和(自身を除く): 4847881

約数列:

[1, 23, 89, 181, 197, 2047, 4163, 4531, 16109, 17533, 35657, 370507, 403259, 820111, 3173473, 72989879]

約数ペア:

[(1, 72989879), (23, 3173473), (89, 820111), (181, 403259), (197, 370507), (2047, 35657), (4163, 17533), (4531, 16109)]