28720496

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{739}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 63864960

約数和(自身を除く): 35144464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 694, 739, 1388, 1478, 2429, 2776, 2956, 4858, 5173, 5552, 5912, 9716, 10346, 11824, 19432, 20692, 38864, 41384, 82768, 256433, 512866, 1025732, 1795031, 2051464, 3590062, 4102928, 7180124, 14360248, 28720496]

約数ペア:

[(1, 28720496), (2, 14360248), (4, 7180124), (7, 4102928), (8, 3590062), (14, 2051464), (16, 1795031), (28, 1025732), (56, 512866), (112, 256433), (347, 82768), (694, 41384), (739, 38864), (1388, 20692), (1478, 19432), (2429, 11824), (2776, 10346), (2956, 9716), (4858, 5912), (5173, 5552)]