67847408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{249439}}^1$

素因数の和:249464

約数の個数: 20

約数和(自身を含む): 139187520

約数和(自身を除く): 71340112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 249439, 498878, 997756, 1995512, 3991024, 4240463, 8480926, 16961852, 33923704, 67847408]

約数ペア:

[(1, 67847408), (2, 33923704), (4, 16961852), (8, 8480926), (16, 4240463), (17, 3991024), (34, 1995512), (68, 997756), (136, 498878), (272, 249439)]