665291228

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 1400968800

約数和(自身を除く): 735677572

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 199, 259, 398, 461, 518, 796, 922, 1036, 1393, 1813, 1844, 2786, 3227, 3626, 5572, 6454, 7252, 7363, 9751, 12908, 14726, 17057, 19502, 22589, 29452, 34114, 39004, 45178, 51541, 68228, 90356, 91739, 103082, 119399, 183478, 206164, 238798, 360787, 366956, 477596, 642173, 721574, 835793, 1284346, 1443148, 1671586, 2568692, 3343172, 3394343, 4495211, 6788686, 8990422, 13577372, 17980844, 23760401, 47520802, 95041604, 166322807, 332645614, 665291228]

約数ペア:

[(1, 665291228), (2, 332645614), (4, 166322807), (7, 95041604), (14, 47520802), (28, 23760401), (37, 17980844), (49, 13577372), (74, 8990422), (98, 6788686), (148, 4495211), (196, 3394343), (199, 3343172), (259, 2568692), (398, 1671586), (461, 1443148), (518, 1284346), (796, 835793), (922, 721574), (1036, 642173), (1393, 477596), (1813, 366956), (1844, 360787), (2786, 238798), (3227, 206164), (3626, 183478), (5572, 119399), (6454, 103082), (7252, 91739), (7363, 90356), (9751, 68228), (12908, 51541), (14726, 45178), (17057, 39004), (19502, 34114), (22589, 29452)]