28445868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2477}}^1$

素因数の和:2527

約数の個数: 72

約数和(自身を含む): 81179280

約数和(自身を除く): 52733412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1914, 2477, 2871, 3828, 4954, 5742, 7431, 9908, 11484, 14862, 22293, 27247, 29724, 44586, 54494, 71833, 81741, 89172, 108988, 143666, 163482, 215499, 245223, 287332, 326964, 430998, 490446, 646497, 790163, 861996, 980892, 1292994, 1580326, 2370489, 2585988, 3160652, 4740978, 7111467, 9481956, 14222934, 28445868]

約数ペア:

[(1, 28445868), (2, 14222934), (3, 9481956), (4, 7111467), (6, 4740978), (9, 3160652), (11, 2585988), (12, 2370489), (18, 1580326), (22, 1292994), (29, 980892), (33, 861996), (36, 790163), (44, 646497), (58, 490446), (66, 430998), (87, 326964), (99, 287332), (116, 245223), (132, 215499), (174, 163482), (198, 143666), (261, 108988), (319, 89172), (348, 81741), (396, 71833), (522, 54494), (638, 44586), (957, 29724), (1044, 27247), (1276, 22293), (1914, 14862), (2477, 11484), (2871, 9908), (3828, 7431), (4954, 5742)]