128217209

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 136442880

約数和(自身を除く): 8225671

約数列:

[1, 31, 41, 281, 359, 1271, 8711, 11129, 11521, 14719, 100879, 357151, 456289, 3127249, 4136039, 128217209]

約数ペア:

[(1, 128217209), (31, 4136039), (41, 3127249), (281, 456289), (359, 357151), (1271, 100879), (8711, 14719), (11129, 11521)]