256996916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{22727}}^1$

素因数の和:22999

約数の個数: 24

約数和(自身を含む): 492561216

約数和(自身を除く): 235564300

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 22727, 45454, 90908, 249997, 499994, 999988, 5840839, 11681678, 23363356, 64249229, 128498458, 256996916]

約数ペア:

[(1, 256996916), (2, 128498458), (4, 64249229), (11, 23363356), (22, 11681678), (44, 5840839), (257, 999988), (514, 499994), (1028, 249997), (2827, 90908), (5654, 45454), (11308, 22727)]