8280490465

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 10977189120

約数和(自身を除く): 2696698655

約数列:

[1, 5, 13, 65, 79, 163, 169, 395, 761, 815, 845, 1027, 2119, 3805, 5135, 9893, 10595, 12877, 13351, 27547, 49465, 60119, 64385, 66755, 124043, 128609, 137735, 167401, 300595, 620215, 643045, 781547, 837005, 1612559, 2176213, 3907735, 8062795, 9799397, 10160111, 10881065, 20963267, 48996985, 50800555, 104816335, 127392161, 636960805, 1656098093, 8280490465]

約数ペア:

[(1, 8280490465), (5, 1656098093), (13, 636960805), (65, 127392161), (79, 104816335), (163, 50800555), (169, 48996985), (395, 20963267), (761, 10881065), (815, 10160111), (845, 9799397), (1027, 8062795), (2119, 3907735), (3805, 2176213), (5135, 1612559), (9893, 837005), (10595, 781547), (12877, 643045), (13351, 620215), (27547, 300595), (49465, 167401), (60119, 137735), (64385, 128609), (66755, 124043)]