255939516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6469}}^1$

素因数の和:6643

約数の個数: 72

約数和(自身を含む): 744205280

約数和(自身を除く): 488265764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5652, 6469, 6594, 9891, 12938, 13188, 19407, 19782, 25876, 38814, 39564, 45283, 58221, 77628, 90566, 116442, 135849, 181132, 232884, 271698, 407547, 543396, 815094, 1015633, 1630188, 2031266, 3046899, 4062532, 6093798, 7109431, 9140697, 12187596, 14218862, 18281394, 21328293, 28437724, 36562788, 42656586, 63984879, 85313172, 127969758, 255939516]

約数ペア:

[(1, 255939516), (2, 127969758), (3, 85313172), (4, 63984879), (6, 42656586), (7, 36562788), (9, 28437724), (12, 21328293), (14, 18281394), (18, 14218862), (21, 12187596), (28, 9140697), (36, 7109431), (42, 6093798), (63, 4062532), (84, 3046899), (126, 2031266), (157, 1630188), (252, 1015633), (314, 815094), (471, 543396), (628, 407547), (942, 271698), (1099, 232884), (1413, 181132), (1884, 135849), (2198, 116442), (2826, 90566), (3297, 77628), (4396, 58221), (5652, 45283), (6469, 39564), (6594, 38814), (9891, 25876), (12938, 19782), (13188, 19407)]