68891276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{15121}}^1$

素因数の和:15209

約数の個数: 24

約数和(自身を含む): 129565296

約数和(自身を除く): 60674020

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 15121, 30242, 60484, 257057, 514114, 1013107, 1028228, 2026214, 4052428, 17222819, 34445638, 68891276]

約数ペア:

[(1, 68891276), (2, 34445638), (4, 17222819), (17, 4052428), (34, 2026214), (67, 1028228), (68, 1013107), (134, 514114), (268, 257057), (1139, 60484), (2278, 30242), (4556, 15121)]