66863839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 84395520

約数和(自身を除く): 17531681

約数列:

[1, 7, 17, 43, 73, 119, 179, 301, 511, 731, 1241, 1253, 3043, 3139, 5117, 7697, 8687, 13067, 21301, 21973, 53363, 53879, 91469, 130849, 222139, 373541, 561881, 915943, 1554973, 3933167, 9551977, 66863839]

約数ペア:

[(1, 66863839), (7, 9551977), (17, 3933167), (43, 1554973), (73, 915943), (119, 561881), (179, 373541), (301, 222139), (511, 130849), (731, 91469), (1241, 53879), (1253, 53363), (3043, 21973), (3139, 21301), (5117, 13067), (7697, 8687)]