644745068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{472687}}^1$

素因数の和:472733

約数の個数: 24

約数和(自身を含む): 1270585344

約数和(自身を除く): 625840276

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 472687, 945374, 1890748, 5199557, 10399114, 14653297, 20798228, 29306594, 58613188, 161186267, 322372534, 644745068]

約数ペア:

[(1, 644745068), (2, 322372534), (4, 161186267), (11, 58613188), (22, 29306594), (31, 20798228), (44, 14653297), (62, 10399114), (124, 5199557), (341, 1890748), (682, 945374), (1364, 472687)]