28437836

素因数分解:

$2^2\times 7^2\times {\mathrm{145091}}^1$

素因数の和:145109

約数の個数: 18

約数和(自身を含む): 57891708

約数和(自身を除く): 29453872

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 145091, 290182, 580364, 1015637, 2031274, 4062548, 7109459, 14218918, 28437836]

約数ペア:

[(1, 28437836), (2, 14218918), (4, 7109459), (7, 4062548), (14, 2031274), (28, 1015637), (49, 580364), (98, 290182), (196, 145091)]