204787926

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:871

約数の個数: 80

約数和(自身を含む): 526901760

約数和(自身を除く): 322113834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 419, 431, 567, 838, 862, 1134, 1257, 1293, 2514, 2586, 2933, 3017, 3771, 3879, 5866, 6034, 7542, 7758, 8799, 9051, 11313, 11637, 17598, 18102, 22626, 23274, 26397, 27153, 33939, 34911, 52794, 54306, 67878, 69822, 79191, 81459, 158382, 162918, 180589, 237573, 244377, 361178, 475146, 488754, 541767, 1083534, 1264123, 1625301, 2528246, 3250602, 3792369, 4875903, 7584738, 9751806, 11377107, 14627709, 22754214, 29255418, 34131321, 68262642, 102393963, 204787926]

約数ペア:

[(1, 204787926), (2, 102393963), (3, 68262642), (6, 34131321), (7, 29255418), (9, 22754214), (14, 14627709), (18, 11377107), (21, 9751806), (27, 7584738), (42, 4875903), (54, 3792369), (63, 3250602), (81, 2528246), (126, 1625301), (162, 1264123), (189, 1083534), (378, 541767), (419, 488754), (431, 475146), (567, 361178), (838, 244377), (862, 237573), (1134, 180589), (1257, 162918), (1293, 158382), (2514, 81459), (2586, 79191), (2933, 69822), (3017, 67878), (3771, 54306), (3879, 52794), (5866, 34911), (6034, 33939), (7542, 27153), (7758, 26397), (8799, 23274), (9051, 22626), (11313, 18102), (11637, 17598)]