28665889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9371}}^1$

素因数の和:9420

約数の個数: 16

約数和(自身を含む): 35988480

約数和(自身を除く): 7322591

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 9371, 65597, 178049, 215533, 1246343, 1508731, 4095127, 28665889]

約数ペア:

[(1, 28665889), (7, 4095127), (19, 1508731), (23, 1246343), (133, 215533), (161, 178049), (437, 65597), (3059, 9371)]