989754913

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 1186099200

約数和(自身を除く): 196344287

約数列:

[1, 7, 53, 59, 103, 371, 413, 439, 721, 3073, 3127, 5459, 6077, 21889, 23267, 25901, 38213, 42539, 45217, 162869, 181307, 316519, 322081, 1372753, 2254567, 2396501, 2667803, 9609271, 16775507, 18674621, 141393559, 989754913]

約数ペア:

[(1, 989754913), (7, 141393559), (53, 18674621), (59, 16775507), (103, 9609271), (371, 2667803), (413, 2396501), (439, 2254567), (721, 1372753), (3073, 322081), (3127, 316519), (5459, 181307), (6077, 162869), (21889, 45217), (23267, 42539), (25901, 38213)]