2156219521

素因数分解:

${\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{1129}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 2219500800

約数和(自身を除く): 63281279

約数列:

[1, 61, 131, 239, 1129, 7991, 14579, 31309, 68869, 147899, 269831, 1909849, 9021839, 16459691, 35347861, 2156219521]

約数ペア:

[(1, 2156219521), (61, 35347861), (131, 16459691), (239, 9021839), (1129, 1909849), (7991, 269831), (14579, 147899), (31309, 68869)]