4780321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 5943168

約数和(自身を除く): 1162847

約数列:

[1, 7, 13, 91, 131, 401, 917, 1703, 2807, 5213, 11921, 36491, 52531, 367717, 682903, 4780321]

約数ペア:

[(1, 4780321), (7, 682903), (13, 367717), (91, 52531), (131, 36491), (401, 11921), (917, 5213), (1703, 2807)]