1871078225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{1993}}^1$

素因数の和:2114

約数の個数: 36

約数和(自身を含む): 2511255564

約数和(自身を除く): 640177339

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1993, 2209, 3995, 9965, 11045, 19975, 33881, 37553, 49825, 55225, 93671, 169405, 187765, 468355, 847025, 938825, 1592407, 2341775, 4402537, 7962035, 22012685, 39810175, 74843129, 110063425, 374215645, 1871078225]

約数ペア:

[(1, 1871078225), (5, 374215645), (17, 110063425), (25, 74843129), (47, 39810175), (85, 22012685), (235, 7962035), (425, 4402537), (799, 2341775), (1175, 1592407), (1993, 938825), (2209, 847025), (3995, 468355), (9965, 187765), (11045, 169405), (19975, 93671), (33881, 55225), (37553, 49825)]