1291235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 1791072

約数和(自身を除く): 499837

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 1381, 6905, 15191, 23477, 75955, 117385, 258247, 1291235]

約数ペア:

[(1, 1291235), (5, 258247), (11, 117385), (17, 75955), (55, 23477), (85, 15191), (187, 6905), (935, 1381)]