25123868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 57302784

約数和(自身を除く): 32178916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 271, 301, 308, 473, 539, 542, 602, 946, 1078, 1084, 1204, 1892, 1897, 2107, 2156, 2981, 3311, 3794, 4214, 5962, 6622, 7588, 8428, 11653, 11924, 13244, 13279, 20867, 23177, 23306, 26558, 41734, 46354, 46612, 53116, 81571, 83468, 92708, 128183, 146069, 163142, 256366, 292138, 326284, 512732, 570997, 584276, 897281, 1141994, 1794562, 2283988, 3589124, 6280967, 12561934, 25123868]

約数ペア:

[(1, 25123868), (2, 12561934), (4, 6280967), (7, 3589124), (11, 2283988), (14, 1794562), (22, 1141994), (28, 897281), (43, 584276), (44, 570997), (49, 512732), (77, 326284), (86, 292138), (98, 256366), (154, 163142), (172, 146069), (196, 128183), (271, 92708), (301, 83468), (308, 81571), (473, 53116), (539, 46612), (542, 46354), (602, 41734), (946, 26558), (1078, 23306), (1084, 23177), (1204, 20867), (1892, 13279), (1897, 13244), (2107, 11924), (2156, 11653), (2981, 8428), (3311, 7588), (3794, 6622), (4214, 5962)]