28840321

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 2419199

約数列:

[1, 23, 53, 59, 401, 1219, 1357, 3127, 9223, 21253, 23659, 71921, 488819, 544157, 1253927, 28840321]

約数ペア:

[(1, 28840321), (23, 1253927), (53, 544157), (59, 488819), (401, 71921), (1219, 23659), (1357, 21253), (3127, 9223)]