85722889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{12161}}^1$

素因数の和:12240

約数の個数: 16

約数和(自身を含む): 105079680

約数和(自身を除く): 19356791

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 12161, 85127, 231059, 644533, 1617413, 4511731, 12246127, 85722889]

約数ペア:

[(1, 85722889), (7, 12246127), (19, 4511731), (53, 1617413), (133, 644533), (371, 231059), (1007, 85127), (7049, 12161)]