209697768

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:772

約数の個数: 128

約数和(自身を含む): 669312000

約数和(自身を除く): 459614232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 331, 378, 419, 504, 662, 756, 838, 993, 1257, 1324, 1512, 1676, 1986, 2317, 2514, 2648, 2933, 2979, 3352, 3771, 3972, 4634, 5028, 5866, 5958, 6951, 7542, 7944, 8799, 8937, 9268, 10056, 11313, 11732, 11916, 13902, 15084, 17598, 17874, 18536, 20853, 22626, 23464, 23832, 26397, 27804, 30168, 35196, 35748, 41706, 45252, 52794, 55608, 62559, 70392, 71496, 79191, 83412, 90504, 105588, 125118, 138689, 158382, 166824, 211176, 250236, 277378, 316764, 416067, 500472, 554756, 633528, 832134, 970823, 1109512, 1248201, 1664268, 1941646, 2496402, 2912469, 3328536, 3744603, 3883292, 4992804, 5824938, 7489206, 7766584, 8737407, 9985608, 11649876, 14978412, 17474814, 23299752, 26212221, 29956824, 34949628, 52424442, 69899256, 104848884, 209697768]

約数ペア:

[(1, 209697768), (2, 104848884), (3, 69899256), (4, 52424442), (6, 34949628), (7, 29956824), (8, 26212221), (9, 23299752), (12, 17474814), (14, 14978412), (18, 11649876), (21, 9985608), (24, 8737407), (27, 7766584), (28, 7489206), (36, 5824938), (42, 4992804), (54, 3883292), (56, 3744603), (63, 3328536), (72, 2912469), (84, 2496402), (108, 1941646), (126, 1664268), (168, 1248201), (189, 1109512), (216, 970823), (252, 832134), (331, 633528), (378, 554756), (419, 500472), (504, 416067), (662, 316764), (756, 277378), (838, 250236), (993, 211176), (1257, 166824), (1324, 158382), (1512, 138689), (1676, 125118), (1986, 105588), (2317, 90504), (2514, 83412), (2648, 79191), (2933, 71496), (2979, 70392), (3352, 62559), (3771, 55608), (3972, 52794), (4634, 45252), (5028, 41706), (5866, 35748), (5958, 35196), (6951, 30168), (7542, 27804), (7944, 26397), (8799, 23832), (8937, 23464), (9268, 22626), (10056, 20853), (11313, 18536), (11732, 17874), (11916, 17598), (13902, 15084)]