217626138

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 509337504

約数和(自身を除く): 291711366

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 547, 558, 713, 961, 1094, 1426, 1641, 1922, 2139, 2883, 3282, 4278, 4923, 5766, 6417, 8649, 9846, 12581, 12834, 16957, 17298, 22103, 25162, 33914, 37743, 44206, 50871, 66309, 75486, 101742, 113229, 132618, 152613, 198927, 226458, 305226, 390011, 397854, 525667, 780022, 1051334, 1170033, 1577001, 2340066, 3154002, 3510099, 4731003, 7020198, 9462006, 12090341, 24180682, 36271023, 72542046, 108813069, 217626138]

約数ペア:

[(1, 217626138), (2, 108813069), (3, 72542046), (6, 36271023), (9, 24180682), (18, 12090341), (23, 9462006), (31, 7020198), (46, 4731003), (62, 3510099), (69, 3154002), (93, 2340066), (138, 1577001), (186, 1170033), (207, 1051334), (279, 780022), (414, 525667), (547, 397854), (558, 390011), (713, 305226), (961, 226458), (1094, 198927), (1426, 152613), (1641, 132618), (1922, 113229), (2139, 101742), (2883, 75486), (3282, 66309), (4278, 50871), (4923, 44206), (5766, 37743), (6417, 33914), (8649, 25162), (9846, 22103), (12581, 17298), (12834, 16957)]