209867849128

素因数分解:

$2^3\times 7^1\times {\mathrm{3747640163}}^1$

素因数の和:3747640176

約数の個数: 16

約数和(自身を含む): 449716819680

約数和(自身を除く): 239848970552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3747640163, 7495280326, 14990560652, 26233481141, 29981121304, 52466962282, 104933924564, 209867849128]

約数ペア:

[(1, 209867849128), (2, 104933924564), (4, 52466962282), (7, 29981121304), (8, 26233481141), (14, 14990560652), (28, 7495280326), (56, 3747640163)]