173890297

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 217728000

約数和(自身を除く): 43837703

約数列:

[1, 7, 17, 53, 79, 119, 349, 371, 553, 901, 1343, 2443, 4187, 5933, 6307, 9401, 18497, 27571, 29309, 41531, 71179, 129479, 192997, 314449, 468707, 498253, 1461263, 2201143, 3280949, 10228841, 24841471, 173890297]

約数ペア:

[(1, 173890297), (7, 24841471), (17, 10228841), (53, 3280949), (79, 2201143), (119, 1461263), (349, 498253), (371, 468707), (553, 314449), (901, 192997), (1343, 129479), (2443, 71179), (4187, 41531), (5933, 29309), (6307, 27571), (9401, 18497)]