290378132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{25679}}^1$

素因数の和:25951

約数の個数: 24

約数和(自身を含む): 556536960

約数和(自身を除く): 266158828

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 25679, 51358, 102716, 282469, 564938, 1129876, 6599503, 13199006, 26398012, 72594533, 145189066, 290378132]

約数ペア:

[(1, 290378132), (2, 145189066), (4, 72594533), (11, 26398012), (22, 13199006), (44, 6599503), (257, 1129876), (514, 564938), (1028, 282469), (2827, 102716), (5654, 51358), (11308, 25679)]