643297534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1271339}}^1$

素因数の和:1271375

約数の個数: 16

約数和(自身を含む): 1098437760

約数和(自身を除く): 455140226

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1271339, 2542678, 13984729, 27969458, 29240797, 58481594, 321648767, 643297534]

約数ペア:

[(1, 643297534), (2, 321648767), (11, 58481594), (22, 29240797), (23, 27969458), (46, 13984729), (253, 2542678), (506, 1271339)]