994219919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{561389}}^1$

素因数の和:561430

約数の個数: 16

約数和(自身を含む): 1293442560

約数和(自身を除く): 299222641

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 561389, 3929723, 6175279, 12911947, 43226953, 90383629, 142031417, 994219919]

約数ペア:

[(1, 994219919), (7, 142031417), (11, 90383629), (23, 43226953), (77, 12911947), (161, 6175279), (253, 3929723), (1771, 561389)]