427718590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 848159424

約数和(自身を除く): 420440834

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 107, 130, 194, 214, 317, 485, 535, 634, 970, 1070, 1261, 1391, 1585, 2522, 2782, 3170, 4121, 6305, 6955, 8242, 10379, 12610, 13910, 20605, 20758, 30749, 33919, 41210, 51895, 61498, 67838, 103790, 134927, 153745, 169595, 269854, 307490, 339190, 399737, 440947, 674635, 799474, 881894, 1349270, 1998685, 2204735, 3290143, 3997370, 4409470, 6580286, 16450715, 32901430, 42771859, 85543718, 213859295, 427718590]

約数ペア:

[(1, 427718590), (2, 213859295), (5, 85543718), (10, 42771859), (13, 32901430), (26, 16450715), (65, 6580286), (97, 4409470), (107, 3997370), (130, 3290143), (194, 2204735), (214, 1998685), (317, 1349270), (485, 881894), (535, 799474), (634, 674635), (970, 440947), (1070, 399737), (1261, 339190), (1391, 307490), (1585, 269854), (2522, 169595), (2782, 153745), (3170, 134927), (4121, 103790), (6305, 67838), (6955, 61498), (8242, 51895), (10379, 41210), (12610, 33919), (13910, 30749), (20605, 20758)]