51221639

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 59996160

約数和(自身を除く): 8774521

約数列:

[1, 7, 61, 139, 427, 863, 973, 6041, 8479, 52643, 59353, 119957, 368501, 839699, 7317377, 51221639]

約数ペア:

[(1, 51221639), (7, 7317377), (61, 839699), (139, 368501), (427, 119957), (863, 59353), (973, 52643), (6041, 8479)]