77772222

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3889}}^1$

素因数の和:4009

約数の個数: 48

約数和(自身を含む): 185693040

約数和(自身を除く): 107920818

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 101, 198, 202, 303, 606, 909, 1111, 1818, 2222, 3333, 3889, 6666, 7778, 9999, 11667, 19998, 23334, 35001, 42779, 70002, 85558, 128337, 256674, 385011, 392789, 770022, 785578, 1178367, 2356734, 3535101, 4320679, 7070202, 8641358, 12962037, 25924074, 38886111, 77772222]

約数ペア:

[(1, 77772222), (2, 38886111), (3, 25924074), (6, 12962037), (9, 8641358), (11, 7070202), (18, 4320679), (22, 3535101), (33, 2356734), (66, 1178367), (99, 785578), (101, 770022), (198, 392789), (202, 385011), (303, 256674), (606, 128337), (909, 85558), (1111, 70002), (1818, 42779), (2222, 35001), (3333, 23334), (3889, 19998), (6666, 11667), (7778, 9999)]