1639596255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 2922531840

約数和(自身を除く): 1282935585

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 173, 213, 355, 519, 781, 809, 865, 1065, 1903, 2343, 2427, 2595, 3905, 4045, 5709, 8899, 9515, 11715, 12135, 12283, 26697, 28545, 36849, 44495, 57439, 61415, 133485, 135113, 139957, 172317, 184245, 287195, 405339, 419871, 631829, 675565, 699785, 861585, 1539527, 1895487, 2026695, 2099355, 3159145, 4618581, 7697635, 9477435, 9936947, 23092905, 29810841, 49684735, 109306417, 149054205, 327919251, 546532085, 1639596255]

約数ペア:

[(1, 1639596255), (3, 546532085), (5, 327919251), (11, 149054205), (15, 109306417), (33, 49684735), (55, 29810841), (71, 23092905), (165, 9936947), (173, 9477435), (213, 7697635), (355, 4618581), (519, 3159145), (781, 2099355), (809, 2026695), (865, 1895487), (1065, 1539527), (1903, 861585), (2343, 699785), (2427, 675565), (2595, 631829), (3905, 419871), (4045, 405339), (5709, 287195), (8899, 184245), (9515, 172317), (11715, 139957), (12135, 135113), (12283, 133485), (26697, 61415), (28545, 57439), (36849, 44495)]