2561988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 7027776

約数和(自身を除く): 4465788

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1493, 1716, 2986, 4479, 5972, 8958, 16423, 17916, 19409, 32846, 38818, 49269, 58227, 65692, 77636, 98538, 116454, 197076, 213499, 232908, 426998, 640497, 853996, 1280994, 2561988]

約数ペア:

[(1, 2561988), (2, 1280994), (3, 853996), (4, 640497), (6, 426998), (11, 232908), (12, 213499), (13, 197076), (22, 116454), (26, 98538), (33, 77636), (39, 65692), (44, 58227), (52, 49269), (66, 38818), (78, 32846), (132, 19409), (143, 17916), (156, 16423), (286, 8958), (429, 5972), (572, 4479), (858, 2986), (1493, 1716)]