2019944479

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{1031}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 2476007424

約数和(自身を除く): 456062945

約数列:

[1, 7, 23, 43, 161, 283, 301, 989, 1031, 1981, 6509, 6923, 7217, 12169, 23713, 44333, 45563, 85183, 165991, 279887, 291773, 310331, 1019659, 1959209, 2042411, 6710779, 7137613, 12546239, 46975453, 87823673, 288563497, 2019944479]

約数ペア:

[(1, 2019944479), (7, 288563497), (23, 87823673), (43, 46975453), (161, 12546239), (283, 7137613), (301, 6710779), (989, 2042411), (1031, 1959209), (1981, 1019659), (6509, 310331), (6923, 291773), (7217, 279887), (12169, 165991), (23713, 85183), (44333, 45563)]