1640672066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{661}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 2705408640

約数和(自身を除く): 1064736574

約数列:

[1, 2, 11, 22, 257, 439, 514, 661, 878, 1322, 2827, 4829, 5654, 7271, 9658, 14542, 112823, 169877, 225646, 290179, 339754, 580358, 1241053, 1868647, 2482106, 3191969, 3737294, 6383938, 74576003, 149152006, 820336033, 1640672066]

約数ペア:

[(1, 1640672066), (2, 820336033), (11, 149152006), (22, 74576003), (257, 6383938), (439, 3737294), (514, 3191969), (661, 2482106), (878, 1868647), (1322, 1241053), (2827, 580358), (4829, 339754), (5654, 290179), (7271, 225646), (9658, 169877), (14542, 112823)]