208547728

素因数分解:

$2^4\times {\mathrm{2621}}^1\times {\mathrm{4973}}^1$

素因数の和:7602

約数の個数: 20

約数和(自身を含む): 404296668

約数和(自身を除く): 195748940

約数列:

[1, 2, 4, 8, 16, 2621, 4973, 5242, 9946, 10484, 19892, 20968, 39784, 41936, 79568, 13034233, 26068466, 52136932, 104273864, 208547728]

約数ペア:

[(1, 208547728), (2, 104273864), (4, 52136932), (8, 26068466), (16, 13034233), (2621, 79568), (4973, 41936), (5242, 39784), (9946, 20968), (10484, 19892)]