28657534

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:767

約数の個数: 16

約数和(自身を含む): 43545600

約数和(自身を除く): 14888066

約数列:

[1, 2, 167, 239, 334, 359, 478, 718, 39913, 59953, 79826, 85801, 119906, 171602, 14328767, 28657534]

約数ペア:

[(1, 28657534), (2, 14328767), (167, 171602), (239, 119906), (334, 85801), (359, 79826), (478, 59953), (718, 39913)]