64892905

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 100137600

約数和(自身を除く): 35244695

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 199, 245, 385, 539, 605, 847, 995, 1331, 1393, 2189, 2695, 4235, 5929, 6655, 6965, 9317, 9751, 10945, 15323, 24079, 29645, 46585, 48755, 65219, 76615, 107261, 120395, 168553, 264869, 326095, 536305, 842765, 1179871, 1324345, 1854083, 5899355, 9270415, 12978581, 64892905]

約数ペア:

[(1, 64892905), (5, 12978581), (7, 9270415), (11, 5899355), (35, 1854083), (49, 1324345), (55, 1179871), (77, 842765), (121, 536305), (199, 326095), (245, 264869), (385, 168553), (539, 120395), (605, 107261), (847, 76615), (995, 65219), (1331, 48755), (1393, 46585), (2189, 29645), (2695, 24079), (4235, 15323), (5929, 10945), (6655, 9751), (6965, 9317)]