71388478

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{40151}}^1$

素因数の和:40287

約数の個数: 16

約数和(自身を含む): 123346944

約数和(自身を除く): 51958466

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 40151, 80302, 281057, 562114, 5099177, 10198354, 35694239, 71388478]

約数ペア:

[(1, 71388478), (2, 35694239), (7, 10198354), (14, 5099177), (127, 562114), (254, 281057), (889, 80302), (1778, 40151)]