219984744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1987}}^1$

素因数の和:2662

約数の個数: 64

約数和(自身を含む): 629798400

約数和(自身を除く): 409813656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 659, 1318, 1977, 1987, 2636, 3954, 3974, 4613, 5272, 5961, 7908, 7948, 9226, 11922, 13839, 13909, 15816, 15896, 18452, 23844, 27678, 27818, 36904, 41727, 47688, 55356, 55636, 83454, 110712, 111272, 166908, 333816, 1309433, 2618866, 3928299, 5237732, 7856598, 9166031, 10475464, 15713196, 18332062, 27498093, 31426392, 36664124, 54996186, 73328248, 109992372, 219984744]

約数ペア:

[(1, 219984744), (2, 109992372), (3, 73328248), (4, 54996186), (6, 36664124), (7, 31426392), (8, 27498093), (12, 18332062), (14, 15713196), (21, 10475464), (24, 9166031), (28, 7856598), (42, 5237732), (56, 3928299), (84, 2618866), (168, 1309433), (659, 333816), (1318, 166908), (1977, 111272), (1987, 110712), (2636, 83454), (3954, 55636), (3974, 55356), (4613, 47688), (5272, 41727), (5961, 36904), (7908, 27818), (7948, 27678), (9226, 23844), (11922, 18452), (13839, 15896), (13909, 15816)]