161728705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{19687}}^1$

素因数の和:19776

約数の個数: 16

約数和(自身を含む): 204125184

約数和(自身を除く): 42396479

約数列:

[1, 5, 31, 53, 155, 265, 1643, 8215, 19687, 98435, 610297, 1043411, 3051485, 5217055, 32345741, 161728705]

約数ペア:

[(1, 161728705), (5, 32345741), (31, 5217055), (53, 3051485), (155, 1043411), (265, 610297), (1643, 98435), (8215, 19687)]