163898161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 207820800

約数和(自身を除く): 43922639

約数列:

[1, 7, 19, 23, 131, 133, 161, 409, 437, 917, 2489, 2863, 3013, 3059, 7771, 9407, 17423, 21091, 53579, 54397, 57247, 65849, 178733, 375053, 400729, 1018001, 1232317, 1251131, 7126007, 8626219, 23414023, 163898161]

約数ペア:

[(1, 163898161), (7, 23414023), (19, 8626219), (23, 7126007), (131, 1251131), (133, 1232317), (161, 1018001), (409, 400729), (437, 375053), (917, 178733), (2489, 65849), (2863, 57247), (3013, 54397), (3059, 53579), (7771, 21091), (9407, 17423)]