656834

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 16

約数和(自身を含む): 1045440

約数和(自身を除く): 388606

約数列:

[1, 2, 23, 46, 109, 131, 218, 262, 2507, 3013, 5014, 6026, 14279, 28558, 328417, 656834]

約数ペア:

[(1, 656834), (2, 328417), (23, 28558), (46, 14279), (109, 6026), (131, 5014), (218, 3013), (262, 2507)]