181331444

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 374927616

約数和(自身を除く): 193596172

約数列:

[1, 2, 4, 7, 14, 28, 53, 71, 106, 142, 212, 284, 371, 497, 742, 994, 1484, 1721, 1988, 3442, 3763, 6884, 7526, 12047, 15052, 24094, 26341, 48188, 52682, 91213, 105364, 122191, 182426, 244382, 364852, 488764, 638491, 855337, 1276982, 1710674, 2553964, 3421348, 6476123, 12952246, 25904492, 45332861, 90665722, 181331444]

約数ペア:

[(1, 181331444), (2, 90665722), (4, 45332861), (7, 25904492), (14, 12952246), (28, 6476123), (53, 3421348), (71, 2553964), (106, 1710674), (142, 1276982), (212, 855337), (284, 638491), (371, 488764), (497, 364852), (742, 244382), (994, 182426), (1484, 122191), (1721, 105364), (1988, 91213), (3442, 52682), (3763, 48188), (6884, 26341), (7526, 24094), (12047, 15052)]