69905788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21457

約数の個数: 24

約数和(自身を含む): 131774720

約数和(自身を除く): 61868932

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 21391, 42782, 85564, 406429, 812858, 919813, 1625716, 1839626, 3679252, 17476447, 34952894, 69905788]

約数ペア:

[(1, 69905788), (2, 34952894), (4, 17476447), (19, 3679252), (38, 1839626), (43, 1625716), (76, 919813), (86, 812858), (172, 406429), (817, 85564), (1634, 42782), (3268, 21391)]