28754921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 32432400

約数和(自身を除く): 3677479

約数列:

[1, 13, 29, 89, 377, 857, 1157, 2581, 11141, 24853, 33553, 76273, 323089, 991549, 2211917, 28754921]

約数ペア:

[(1, 28754921), (13, 2211917), (29, 991549), (89, 323089), (377, 76273), (857, 33553), (1157, 24853), (2581, 11141)]