281391475

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4987}}^1$

素因数の和:5095

約数の個数: 24

約数和(自身を含む): 364303568

約数和(自身を除く): 82912093

約数列:

[1, 5, 25, 37, 61, 185, 305, 925, 1525, 2257, 4987, 11285, 24935, 56425, 124675, 184519, 304207, 922595, 1521035, 4612975, 7605175, 11255659, 56278295, 281391475]

約数ペア:

[(1, 281391475), (5, 56278295), (25, 11255659), (37, 7605175), (61, 4612975), (185, 1521035), (305, 922595), (925, 304207), (1525, 184519), (2257, 124675), (4987, 56425), (11285, 24935)]