71720212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{55511}}^1$

素因数の和:55551

約数の個数: 24

約数和(自身を含む): 139890240

約数和(自身を除く): 68170028

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 55511, 111022, 222044, 943687, 1054709, 1887374, 2109418, 3774748, 4218836, 17930053, 35860106, 71720212]

約数ペア:

[(1, 71720212), (2, 35860106), (4, 17930053), (17, 4218836), (19, 3774748), (34, 2109418), (38, 1887374), (68, 1054709), (76, 943687), (323, 222044), (646, 111022), (1292, 55511)]