289558195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4373}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 396809280

約数和(自身を除く): 107251085

約数列:

[1, 5, 17, 19, 41, 85, 95, 205, 323, 697, 779, 1615, 3485, 3895, 4373, 13243, 21865, 66215, 74341, 83087, 179293, 371705, 415435, 896465, 1412479, 3047981, 3406567, 7062395, 15239905, 17032835, 57911639, 289558195]

約数ペア:

[(1, 289558195), (5, 57911639), (17, 17032835), (19, 15239905), (41, 7062395), (85, 3406567), (95, 3047981), (205, 1412479), (323, 896465), (697, 415435), (779, 371705), (1615, 179293), (3485, 83087), (3895, 74341), (4373, 66215), (13243, 21865)]