81443158

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 137289600

約数和(自身を除く): 55846442

約数列:

[1, 2, 17, 19, 34, 38, 139, 278, 323, 646, 907, 1814, 2363, 2641, 4726, 5282, 15419, 17233, 30838, 34466, 44897, 89794, 126073, 252146, 292961, 585922, 2143241, 2395387, 4286482, 4790774, 40721579, 81443158]

約数ペア:

[(1, 81443158), (2, 40721579), (17, 4790774), (19, 4286482), (34, 2395387), (38, 2143241), (139, 585922), (278, 292961), (323, 252146), (646, 126073), (907, 89794), (1814, 44897), (2363, 34466), (2641, 30838), (4726, 17233), (5282, 15419)]