28125773

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 31621632

約数和(自身を除く): 3495859

約数列:

[1, 13, 31, 101, 403, 691, 1313, 3131, 8983, 21421, 40703, 69791, 278473, 907283, 2163521, 28125773]

約数ペア:

[(1, 28125773), (13, 2163521), (31, 907283), (101, 278473), (403, 69791), (691, 40703), (1313, 21421), (3131, 8983)]