9978190

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4729}}^1$

素因数の和:4947

約数の個数: 16

約数和(自身を含む): 18049680

約数和(自身を除く): 8071490

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 4729, 9458, 23645, 47290, 997819, 1995638, 4989095, 9978190]

約数ペア:

[(1, 9978190), (2, 4989095), (5, 1995638), (10, 997819), (211, 47290), (422, 23645), (1055, 9458), (2110, 4729)]