28638463

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 5359361

約数列:

[1, 7, 47, 61, 329, 427, 1427, 2867, 9989, 20069, 67069, 87047, 469483, 609329, 4091209, 28638463]

約数ペア:

[(1, 28638463), (7, 4091209), (47, 609329), (61, 469483), (329, 87047), (427, 67069), (1427, 20069), (2867, 9989)]