1880521552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1291567}}^1$

素因数の和:1291595

約数の個数: 40

約数和(自身を含む): 4484324096

約数和(自身を除く): 2603802544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1291567, 2583134, 5166268, 9040969, 10332536, 16790371, 18081938, 20665072, 33580742, 36163876, 67161484, 72327752, 117532597, 134322968, 144655504, 235065194, 268645936, 470130388, 940260776, 1880521552]

約数ペア:

[(1, 1880521552), (2, 940260776), (4, 470130388), (7, 268645936), (8, 235065194), (13, 144655504), (14, 134322968), (16, 117532597), (26, 72327752), (28, 67161484), (52, 36163876), (56, 33580742), (91, 20665072), (104, 18081938), (112, 16790371), (182, 10332536), (208, 9040969), (364, 5166268), (728, 2583134), (1456, 1291567)]