28561075

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 36961920

約数和(自身を除く): 8400845

約数列:

[1, 5, 25, 31, 137, 155, 269, 685, 775, 1345, 3425, 4247, 6725, 8339, 21235, 36853, 41695, 106175, 184265, 208475, 921325, 1142443, 5712215, 28561075]

約数ペア:

[(1, 28561075), (5, 5712215), (25, 1142443), (31, 921325), (137, 208475), (155, 184265), (269, 106175), (685, 41695), (775, 36853), (1345, 21235), (3425, 8339), (4247, 6725)]