85721041

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 102600000

約数和(自身を除く): 16878959

約数列:

[1, 7, 49, 59, 149, 199, 413, 1043, 1393, 2891, 7301, 8791, 9751, 11741, 29651, 61537, 82187, 207557, 430759, 575309, 1452899, 1749409, 12245863, 85721041]

約数ペア:

[(1, 85721041), (7, 12245863), (49, 1749409), (59, 1452899), (149, 575309), (199, 430759), (413, 207557), (1043, 82187), (1393, 61537), (2891, 29651), (7301, 11741), (8791, 9751)]