28687232

素因数分解:

$2^7\times 7^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 66169440

約数和(自身を除く): 37482208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 202, 224, 317, 404, 448, 634, 707, 808, 896, 1268, 1414, 1616, 2219, 2536, 2828, 3232, 4438, 5072, 5656, 6464, 8876, 10144, 11312, 12928, 17752, 20288, 22624, 32017, 35504, 40576, 45248, 64034, 71008, 90496, 128068, 142016, 224119, 256136, 284032, 448238, 512272, 896476, 1024544, 1792952, 2049088, 3585904, 4098176, 7171808, 14343616, 28687232]

約数ペア:

[(1, 28687232), (2, 14343616), (4, 7171808), (7, 4098176), (8, 3585904), (14, 2049088), (16, 1792952), (28, 1024544), (32, 896476), (56, 512272), (64, 448238), (101, 284032), (112, 256136), (128, 224119), (202, 142016), (224, 128068), (317, 90496), (404, 71008), (448, 64034), (634, 45248), (707, 40576), (808, 35504), (896, 32017), (1268, 22624), (1414, 20288), (1616, 17752), (2219, 12928), (2536, 11312), (2828, 10144), (3232, 8876), (4438, 6464), (5072, 5656)]