257215504

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{25237}}^1$

素因数の和:25272

約数の個数: 60

約数和(自身を含む): 624337644

約数和(自身を除く): 367122140

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 25237, 50474, 100948, 176659, 201896, 328081, 353318, 403792, 656162, 706636, 1236613, 1312324, 1413272, 2296567, 2473226, 2624648, 2826544, 4593134, 4946452, 5249296, 9186268, 9892904, 16075969, 18372536, 19785808, 32151938, 36745072, 64303876, 128607752, 257215504]

約数ペア:

[(1, 257215504), (2, 128607752), (4, 64303876), (7, 36745072), (8, 32151938), (13, 19785808), (14, 18372536), (16, 16075969), (26, 9892904), (28, 9186268), (49, 5249296), (52, 4946452), (56, 4593134), (91, 2826544), (98, 2624648), (104, 2473226), (112, 2296567), (182, 1413272), (196, 1312324), (208, 1236613), (364, 706636), (392, 656162), (637, 403792), (728, 353318), (784, 328081), (1274, 201896), (1456, 176659), (2548, 100948), (5096, 50474), (10192, 25237)]