128193725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7901}}^1$

素因数の和:7981

約数の個数: 24

約数和(自身を含む): 176372640

約数和(自身を除く): 48178915

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 3245, 7901, 16225, 39505, 86911, 197525, 434555, 466159, 2172775, 2330795, 5127749, 11653975, 25638745, 128193725]

約数ペア:

[(1, 128193725), (5, 25638745), (11, 11653975), (25, 5127749), (55, 2330795), (59, 2172775), (275, 466159), (295, 434555), (649, 197525), (1475, 86911), (3245, 39505), (7901, 16225)]