2500004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 4760448

約数和(自身を除く): 2260444

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 367, 524, 734, 1468, 1703, 3406, 4771, 6812, 9542, 19084, 48077, 96154, 192308, 625001, 1250002, 2500004]

約数ペア:

[(1, 2500004), (2, 1250002), (4, 625001), (13, 192308), (26, 96154), (52, 48077), (131, 19084), (262, 9542), (367, 6812), (524, 4771), (734, 3406), (1468, 1703)]