128919175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 200915712

約数和(自身を除く): 71996537

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 193, 275, 347, 385, 965, 1351, 1735, 1925, 2123, 2429, 3817, 4825, 6755, 8675, 10615, 12145, 14861, 19085, 26719, 33775, 53075, 60725, 66971, 74305, 95425, 133595, 334855, 371525, 468797, 667975, 736681, 1674275, 2343985, 3683405, 5156767, 11719925, 18417025, 25783835, 128919175]

約数ペア:

[(1, 128919175), (5, 25783835), (7, 18417025), (11, 11719925), (25, 5156767), (35, 3683405), (55, 2343985), (77, 1674275), (175, 736681), (193, 667975), (275, 468797), (347, 371525), (385, 334855), (965, 133595), (1351, 95425), (1735, 74305), (1925, 66971), (2123, 60725), (2429, 53075), (3817, 33775), (4825, 26719), (6755, 19085), (8675, 14861), (10615, 12145)]