258691210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6367}}^1$

素因数の和:6630

約数の個数: 32

約数和(自身を含む): 495175680

約数和(自身を除く): 236484470

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 478, 1195, 2390, 4063, 6367, 8126, 12734, 20315, 31835, 40630, 63670, 108239, 216478, 541195, 1082390, 1521713, 3043426, 7608565, 15217130, 25869121, 51738242, 129345605, 258691210]

約数ペア:

[(1, 258691210), (2, 129345605), (5, 51738242), (10, 25869121), (17, 15217130), (34, 7608565), (85, 3043426), (170, 1521713), (239, 1082390), (478, 541195), (1195, 216478), (2390, 108239), (4063, 63670), (6367, 40630), (8126, 31835), (12734, 20315)]