681111145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 1020015360

約数和(自身を除く): 338904215

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 181, 209, 247, 277, 715, 905, 1045, 1235, 1385, 1991, 2353, 2717, 3047, 3439, 3601, 5263, 9955, 11765, 13585, 15235, 17195, 18005, 25883, 26315, 37829, 39611, 44707, 50137, 57893, 68419, 129415, 189145, 198055, 223535, 250685, 289465, 342095, 491777, 551507, 651781, 752609, 952603, 2458885, 2757535, 3258905, 3763045, 4763015, 7169591, 10478633, 12383839, 35847955, 52393165, 61919195, 136222229, 681111145]

約数ペア:

[(1, 681111145), (5, 136222229), (11, 61919195), (13, 52393165), (19, 35847955), (55, 12383839), (65, 10478633), (95, 7169591), (143, 4763015), (181, 3763045), (209, 3258905), (247, 2757535), (277, 2458885), (715, 952603), (905, 752609), (1045, 651781), (1235, 551507), (1385, 491777), (1991, 342095), (2353, 289465), (2717, 250685), (3047, 223535), (3439, 198055), (3601, 189145), (5263, 129415), (9955, 68419), (11765, 57893), (13585, 50137), (15235, 44707), (17195, 39611), (18005, 37829), (25883, 26315)]