247936864

素因数分解:

$2^5\times 7^5\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 570710448

約数和(自身を除く): 322773584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 461, 686, 784, 922, 1372, 1568, 1844, 2401, 2744, 3227, 3688, 4802, 5488, 6454, 7376, 9604, 10976, 12908, 14752, 16807, 19208, 22589, 25816, 33614, 38416, 45178, 51632, 67228, 76832, 90356, 103264, 134456, 158123, 180712, 268912, 316246, 361424, 537824, 632492, 722848, 1106861, 1264984, 2213722, 2529968, 4427444, 5059936, 7748027, 8854888, 15496054, 17709776, 30992108, 35419552, 61984216, 123968432, 247936864]

約数ペア:

[(1, 247936864), (2, 123968432), (4, 61984216), (7, 35419552), (8, 30992108), (14, 17709776), (16, 15496054), (28, 8854888), (32, 7748027), (49, 5059936), (56, 4427444), (98, 2529968), (112, 2213722), (196, 1264984), (224, 1106861), (343, 722848), (392, 632492), (461, 537824), (686, 361424), (784, 316246), (922, 268912), (1372, 180712), (1568, 158123), (1844, 134456), (2401, 103264), (2744, 90356), (3227, 76832), (3688, 67228), (4802, 51632), (5488, 45178), (6454, 38416), (7376, 33614), (9604, 25816), (10976, 22589), (12908, 19208), (14752, 16807)]