1999619245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{2207}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 2644088832

約数和(自身を除く): 644469587

約数列:

[1, 5, 13, 53, 65, 263, 265, 689, 1315, 2207, 3419, 3445, 11035, 13939, 17095, 28691, 69695, 116971, 143455, 181207, 580441, 584855, 906035, 1520623, 2902205, 7545733, 7603115, 30763373, 37728665, 153816865, 399923849, 1999619245]

約数ペア:

[(1, 1999619245), (5, 399923849), (13, 153816865), (53, 37728665), (65, 30763373), (263, 7603115), (265, 7545733), (689, 2902205), (1315, 1520623), (2207, 906035), (3419, 584855), (3445, 580441), (11035, 181207), (13939, 143455), (17095, 116971), (28691, 69695)]