2011982105

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{7621}}^1$

素因数の和:8049

約数の個数: 32

約数和(自身を含む): 2912213760

約数和(自身を除く): 900231655

約数列:

[1, 5, 7, 19, 35, 95, 133, 397, 665, 1985, 2779, 7543, 7621, 13895, 37715, 38105, 52801, 53347, 144799, 264005, 266735, 723995, 1013593, 3025537, 5067965, 15127685, 21178759, 57485203, 105893795, 287426015, 402396421, 2011982105]

約数ペア:

[(1, 2011982105), (5, 402396421), (7, 287426015), (19, 105893795), (35, 57485203), (95, 21178759), (133, 15127685), (397, 5067965), (665, 3025537), (1985, 1013593), (2779, 723995), (7543, 266735), (7621, 264005), (13895, 144799), (37715, 53347), (38105, 52801)]