12780521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 14750400

約数和(自身を除く): 1969879

約数列:

[1, 13, 19, 59, 247, 767, 877, 1121, 11401, 14573, 16663, 51743, 216619, 672659, 983117, 12780521]

約数ペア:

[(1, 12780521), (13, 983117), (19, 672659), (59, 216619), (247, 51743), (767, 16663), (877, 14573), (1121, 11401)]