67639408

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{39509}}^1$

素因数の和:39624

約数の個数: 20

約数和(自身を含む): 132279480

約数和(自身を除く): 64640072

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 39509, 79018, 158036, 316072, 632144, 4227463, 8454926, 16909852, 33819704, 67639408]

約数ペア:

[(1, 67639408), (2, 33819704), (4, 16909852), (8, 8454926), (16, 4227463), (107, 632144), (214, 316072), (428, 158036), (856, 79018), (1712, 39509)]