72029209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1103}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 86906880

約数和(自身を除く): 14877671

約数列:

[1, 7, 19, 133, 491, 1103, 3437, 7721, 9329, 20957, 65303, 146699, 541573, 3791011, 10289887, 72029209]

約数ペア:

[(1, 72029209), (7, 10289887), (19, 3791011), (133, 541573), (491, 146699), (1103, 65303), (3437, 20957), (7721, 9329)]