289307585

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 419020800

約数和(自身を除く): 129713215

約数列:

[1, 5, 7, 19, 35, 95, 133, 439, 665, 991, 2195, 3073, 4955, 6937, 8341, 15365, 18829, 34685, 41705, 58387, 94145, 131803, 291935, 435049, 659015, 2175245, 3045343, 8265931, 15226715, 41329655, 57861517, 289307585]

約数ペア:

[(1, 289307585), (5, 57861517), (7, 41329655), (19, 15226715), (35, 8265931), (95, 3045343), (133, 2175245), (439, 659015), (665, 435049), (991, 291935), (2195, 131803), (3073, 94145), (4955, 58387), (6937, 41705), (8341, 34685), (15365, 18829)]