2051219528605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{2315107}}^1$

素因数の和:2315485

約数の個数: 32

約数和(自身を含む): 2721011255424

約数和(自身を除く): 669791726819

約数列:

[1, 5, 13, 43, 65, 215, 317, 559, 1585, 2795, 4121, 13631, 20605, 68155, 177203, 886015, 2315107, 11575535, 30096391, 99549601, 150481955, 497748005, 733888919, 1294144813, 3669444595, 6470724065, 9540555947, 31557223517, 47702779735, 157786117585, 410243905721, 2051219528605]

約数ペア:

[(1, 2051219528605), (5, 410243905721), (13, 157786117585), (43, 47702779735), (65, 31557223517), (215, 9540555947), (317, 6470724065), (559, 3669444595), (1585, 1294144813), (2795, 733888919), (4121, 497748005), (13631, 150481955), (20605, 99549601), (68155, 30096391), (177203, 11575535), (886015, 2315107)]