397456444

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{16759}}^1$

素因数の和:16799

約数の個数: 54

約数和(自身を含む): 889402920

約数和(自身を除く): 491946476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 11858, 16759, 23716, 33518, 67036, 117313, 184349, 234626, 368698, 469252, 737396, 821191, 1290443, 1642382, 2027839, 2580886, 3284764, 4055678, 5161772, 8111356, 9033101, 14194873, 18066202, 28389746, 36132404, 56779492, 99364111, 198728222, 397456444]

約数ペア:

[(1, 397456444), (2, 198728222), (4, 99364111), (7, 56779492), (11, 36132404), (14, 28389746), (22, 18066202), (28, 14194873), (44, 9033101), (49, 8111356), (77, 5161772), (98, 4055678), (121, 3284764), (154, 2580886), (196, 2027839), (242, 1642382), (308, 1290443), (484, 821191), (539, 737396), (847, 469252), (1078, 368698), (1694, 234626), (2156, 184349), (3388, 117313), (5929, 67036), (11858, 33518), (16759, 23716)]