189639772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{218479}}^1$

素因数の和:218521

約数の個数: 24

約数和(自身を含む): 391516160

約数和(自身を除く): 201876388

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 218479, 436958, 873916, 1529353, 3058706, 6117412, 6772849, 13545698, 27091396, 47409943, 94819886, 189639772]

約数ペア:

[(1, 189639772), (2, 94819886), (4, 47409943), (7, 27091396), (14, 13545698), (28, 6772849), (31, 6117412), (62, 3058706), (124, 1529353), (217, 873916), (434, 436958), (868, 218479)]