1261673254

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1\times {\mathrm{3943}}^1$

素因数の和:5235

約数の個数: 16

約数和(自身を含む): 1908264960

約数和(自身を除く): 646591706

約数列:

[1, 2, 139, 278, 1151, 2302, 3943, 7886, 159989, 319978, 548077, 1096154, 4538393, 9076786, 630836627, 1261673254]

約数ペア:

[(1, 1261673254), (2, 630836627), (139, 9076786), (278, 4538393), (1151, 1096154), (2302, 548077), (3943, 319978), (7886, 159989)]