81500636

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47717}}^1$

素因数の和:47789

約数の個数: 24

約数和(自身を含む): 165676896

約数和(自身を除く): 84176260

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47717, 95434, 190868, 334019, 668038, 1336076, 2910737, 5821474, 11642948, 20375159, 40750318, 81500636]

約数ペア:

[(1, 81500636), (2, 40750318), (4, 20375159), (7, 11642948), (14, 5821474), (28, 2910737), (61, 1336076), (122, 668038), (244, 334019), (427, 190868), (854, 95434), (1708, 47717)]