256499488

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{6619}}^1$

素因数の和:6809

約数の個数: 48

約数和(自身を含む): 580547520

約数和(自身を除く): 324048032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 692, 1211, 1384, 2422, 2768, 4844, 5536, 6619, 9688, 13238, 19376, 26476, 38752, 46333, 52952, 92666, 105904, 185332, 211808, 370664, 741328, 1145087, 1482656, 2290174, 4580348, 8015609, 9160696, 16031218, 18321392, 32062436, 36642784, 64124872, 128249744, 256499488]

約数ペア:

[(1, 256499488), (2, 128249744), (4, 64124872), (7, 36642784), (8, 32062436), (14, 18321392), (16, 16031218), (28, 9160696), (32, 8015609), (56, 4580348), (112, 2290174), (173, 1482656), (224, 1145087), (346, 741328), (692, 370664), (1211, 211808), (1384, 185332), (2422, 105904), (2768, 92666), (4844, 52952), (5536, 46333), (6619, 38752), (9688, 26476), (13238, 19376)]