16403309

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 18

約数和(自身を含む): 18535338

約数和(自身を除く): 2132029

約数列:

[1, 13, 31, 101, 169, 403, 961, 1313, 3131, 5239, 12493, 17069, 40703, 97061, 162409, 529139, 1261793, 16403309]

約数ペア:

[(1, 16403309), (13, 1261793), (31, 529139), (101, 162409), (169, 97061), (403, 40703), (961, 17069), (1313, 12493), (3131, 5239)]