309767425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1741}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 419919552

約数和(自身を除く): 110152127

約数列:

[1, 5, 11, 25, 55, 275, 647, 1741, 3235, 7117, 8705, 16175, 19151, 35585, 43525, 95755, 177925, 478775, 1126427, 5632135, 12390697, 28160675, 61953485, 309767425]

約数ペア:

[(1, 309767425), (5, 61953485), (11, 28160675), (25, 12390697), (55, 5632135), (275, 1126427), (647, 478775), (1741, 177925), (3235, 95755), (7117, 43525), (8705, 35585), (16175, 19151)]