261636155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{206827}}^1$

素因数の和:206866

約数の個数: 16

約数和(自身を含む): 357398784

約数和(自身を除く): 95762629

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 206827, 1034135, 2275097, 4757021, 11375485, 23785105, 52327231, 261636155]

約数ペア:

[(1, 261636155), (5, 52327231), (11, 23785105), (23, 11375485), (55, 4757021), (115, 2275097), (253, 1034135), (1265, 206827)]