198614591

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 256089600

約数和(自身を除く): 57475009

約数列:

[1, 7, 23, 29, 49, 59, 103, 161, 203, 413, 667, 721, 1127, 1357, 1421, 1711, 2369, 2891, 2987, 4669, 5047, 6077, 9499, 11977, 16583, 20909, 32683, 39353, 42539, 66493, 68701, 83839, 116081, 139771, 146363, 176233, 275471, 297773, 480907, 978397, 1233631, 1928297, 3366349, 4053359, 6848779, 8635417, 28373513, 198614591]

約数ペア:

[(1, 198614591), (7, 28373513), (23, 8635417), (29, 6848779), (49, 4053359), (59, 3366349), (103, 1928297), (161, 1233631), (203, 978397), (413, 480907), (667, 297773), (721, 275471), (1127, 176233), (1357, 146363), (1421, 139771), (1711, 116081), (2369, 83839), (2891, 68701), (2987, 66493), (4669, 42539), (5047, 39353), (6077, 32683), (9499, 20909), (11977, 16583)]