2645189205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 4543838208

約数和(自身を除く): 1898649003

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 223, 255, 257, 543, 669, 771, 905, 1115, 1285, 2715, 3077, 3345, 3791, 3855, 4369, 9231, 11373, 13107, 15385, 18955, 21845, 40363, 46155, 46517, 56865, 57311, 65535, 121089, 139551, 171933, 201815, 232585, 286555, 605445, 686171, 697755, 790789, 859665, 974287, 2058513, 2372367, 2922861, 3430855, 3953945, 4871435, 10292565, 10373291, 11861835, 14614305, 31119873, 51866455, 155599365, 176345947, 529037841, 881729735, 2645189205]

約数ペア:

[(1, 2645189205), (3, 881729735), (5, 529037841), (15, 176345947), (17, 155599365), (51, 51866455), (85, 31119873), (181, 14614305), (223, 11861835), (255, 10373291), (257, 10292565), (543, 4871435), (669, 3953945), (771, 3430855), (905, 2922861), (1115, 2372367), (1285, 2058513), (2715, 974287), (3077, 859665), (3345, 790789), (3791, 697755), (3855, 686171), (4369, 605445), (9231, 286555), (11373, 232585), (13107, 201815), (15385, 171933), (18955, 139551), (21845, 121089), (40363, 65535), (46155, 57311), (46517, 56865)]