1289774870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{21739}}^1$

素因数の和:22112

約数の個数: 32

約数和(自身を含む): 2465316000

約数和(自身を除く): 1175541130

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 349, 698, 1745, 3490, 5933, 11866, 21739, 29665, 43478, 59330, 108695, 217390, 369563, 739126, 1847815, 3695630, 7586911, 15173822, 37934555, 75869110, 128977487, 257954974, 644887435, 1289774870]

約数ペア:

[(1, 1289774870), (2, 644887435), (5, 257954974), (10, 128977487), (17, 75869110), (34, 37934555), (85, 15173822), (170, 7586911), (349, 3695630), (698, 1847815), (1745, 739126), (3490, 369563), (5933, 217390), (11866, 108695), (21739, 59330), (29665, 43478)]