2017684825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2857}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 2813163696

約数和(自身を除く): 795478871

約数列:

[1, 5, 13, 25, 41, 53, 65, 205, 265, 325, 533, 689, 1025, 1325, 2173, 2665, 2857, 3445, 10865, 13325, 14285, 17225, 28249, 37141, 54325, 71425, 117137, 141245, 151421, 185705, 585685, 706225, 757105, 928525, 1522781, 1968473, 2928425, 3785525, 6208261, 7613905, 9842365, 31041305, 38069525, 49211825, 80707393, 155206525, 403536965, 2017684825]

約数ペア:

[(1, 2017684825), (5, 403536965), (13, 155206525), (25, 80707393), (41, 49211825), (53, 38069525), (65, 31041305), (205, 9842365), (265, 7613905), (325, 6208261), (533, 3785525), (689, 2928425), (1025, 1968473), (1325, 1522781), (2173, 928525), (2665, 757105), (2857, 706225), (3445, 585685), (10865, 185705), (13325, 151421), (14285, 141245), (17225, 117137), (28249, 71425), (37141, 54325)]