620688964

素因数分解:

$2^2\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{7759}}^1$

素因数の和:10627

約数の個数: 24

約数和(自身を含む): 1241972480

約数和(自身を除く): 621283516

約数列:

[1, 2, 4, 7, 14, 28, 2857, 5714, 7759, 11428, 15518, 19999, 31036, 39998, 54313, 79996, 108626, 217252, 22167463, 44334926, 88669852, 155172241, 310344482, 620688964]

約数ペア:

[(1, 620688964), (2, 310344482), (4, 155172241), (7, 88669852), (14, 44334926), (28, 22167463), (2857, 217252), (5714, 108626), (7759, 79996), (11428, 54313), (15518, 39998), (19999, 31036)]