8684425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 11606400

約数和(自身を除く): 2921975

約数列:

[1, 5, 19, 25, 47, 95, 235, 389, 475, 893, 1175, 1945, 4465, 7391, 9725, 18283, 22325, 36955, 91415, 184775, 347377, 457075, 1736885, 8684425]

約数ペア:

[(1, 8684425), (5, 1736885), (19, 457075), (25, 347377), (47, 184775), (95, 91415), (235, 36955), (389, 22325), (475, 18283), (893, 9725), (1175, 7391), (1945, 4465)]