28682719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 32241664

約数和(自身を除く): 3558945

約数列:

[1, 13, 31, 103, 403, 691, 1339, 3193, 8983, 21421, 41509, 71173, 278473, 925249, 2206363, 28682719]

約数ペア:

[(1, 28682719), (13, 2206363), (31, 925249), (103, 278473), (403, 71173), (691, 41509), (1339, 21421), (3193, 8983)]