398705437

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{78439}}^1$

素因数の和:78492

約数の個数: 16

約数和(自身を含む): 474405120

約数和(自身を除く): 75699683

約数列:

[1, 13, 17, 23, 221, 299, 391, 5083, 78439, 1019707, 1333463, 1804097, 17335019, 23453261, 30669649, 398705437]

約数ペア:

[(1, 398705437), (13, 30669649), (17, 23453261), (23, 17335019), (221, 1804097), (299, 1333463), (391, 1019707), (5083, 78439)]