261281185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{31883}}^1$

素因数の和:32048

約数の個数: 16

約数和(自身を含む): 344347200

約数和(自身を除く): 83066015

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 31883, 159415, 350713, 1753565, 4750567, 23752835, 52256237, 261281185]

約数ペア:

[(1, 261281185), (5, 52256237), (11, 23752835), (55, 4750567), (149, 1753565), (745, 350713), (1639, 159415), (8195, 31883)]