207848885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 295384320

約数和(自身を除く): 87535435

約数列:

[1, 5, 17, 19, 41, 43, 73, 85, 95, 205, 215, 323, 365, 697, 731, 779, 817, 1241, 1387, 1615, 1763, 2993, 3139, 3485, 3655, 3895, 4085, 6205, 6935, 8815, 13243, 13889, 14965, 15695, 23579, 29971, 33497, 50881, 53363, 56867, 59641, 66215, 69445, 117895, 128699, 149855, 167485, 254405, 266815, 284335, 298205, 569449, 643495, 966739, 1013897, 2187883, 2445281, 2847245, 4833695, 5069485, 10939415, 12226405, 41569777, 207848885]

約数ペア:

[(1, 207848885), (5, 41569777), (17, 12226405), (19, 10939415), (41, 5069485), (43, 4833695), (73, 2847245), (85, 2445281), (95, 2187883), (205, 1013897), (215, 966739), (323, 643495), (365, 569449), (697, 298205), (731, 284335), (779, 266815), (817, 254405), (1241, 167485), (1387, 149855), (1615, 128699), (1763, 117895), (2993, 69445), (3139, 66215), (3485, 59641), (3655, 56867), (3895, 53363), (4085, 50881), (6205, 33497), (6935, 29971), (8815, 23579), (13243, 15695), (13889, 14965)]