9919504

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2903

約数の個数: 40

約数和(自身を含む): 22681088

約数和(自身を除く): 12761584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 2857, 3472, 5714, 11428, 19999, 22856, 39998, 45712, 79996, 88567, 159992, 177134, 319984, 354268, 619969, 708536, 1239938, 1417072, 2479876, 4959752, 9919504]

約数ペア:

[(1, 9919504), (2, 4959752), (4, 2479876), (7, 1417072), (8, 1239938), (14, 708536), (16, 619969), (28, 354268), (31, 319984), (56, 177134), (62, 159992), (112, 88567), (124, 79996), (217, 45712), (248, 39998), (434, 22856), (496, 19999), (868, 11428), (1736, 5714), (2857, 3472)]