201885925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 264323360

約数和(自身を除く): 62437435

約数列:

[1, 5, 19, 25, 95, 475, 643, 661, 3215, 3305, 12217, 12559, 16075, 16525, 61085, 62795, 305425, 313975, 425023, 2125115, 8075437, 10625575, 40377185, 201885925]

約数ペア:

[(1, 201885925), (5, 40377185), (19, 10625575), (25, 8075437), (95, 2125115), (475, 425023), (643, 313975), (661, 305425), (3215, 62795), (3305, 61085), (12217, 16525), (12559, 16075)]