128667605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{38351}}^1$

素因数の和:38428

約数の個数: 16

約数和(自身を含む): 171203328

約数和(自身を除く): 42535723

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 38351, 191755, 421861, 2109305, 2339411, 11697055, 25733521, 128667605]

約数ペア:

[(1, 128667605), (5, 25733521), (11, 11697055), (55, 2339411), (61, 2109305), (305, 421861), (671, 191755), (3355, 38351)]