209721456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{208057}}^1$

素因数の和:208078

約数の個数: 60

約数和(自身を含む): 670778992

約数和(自身を除く): 461057536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 208057, 416114, 624171, 832228, 1248342, 1456399, 1664456, 1872513, 2496684, 2912798, 3328912, 3745026, 4369197, 4993368, 5825596, 7490052, 8738394, 9986736, 11651192, 13107591, 14980104, 17476788, 23302384, 26215182, 29960208, 34953576, 52430364, 69907152, 104860728, 209721456]

約数ペア:

[(1, 209721456), (2, 104860728), (3, 69907152), (4, 52430364), (6, 34953576), (7, 29960208), (8, 26215182), (9, 23302384), (12, 17476788), (14, 14980104), (16, 13107591), (18, 11651192), (21, 9986736), (24, 8738394), (28, 7490052), (36, 5825596), (42, 4993368), (48, 4369197), (56, 3745026), (63, 3328912), (72, 2912798), (84, 2496684), (112, 1872513), (126, 1664456), (144, 1456399), (168, 1248342), (252, 832228), (336, 624171), (504, 416114), (1008, 208057)]