38789075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 53840304

約数和(自身を除く): 15051229

約数列:

[1, 5, 13, 25, 41, 65, 71, 205, 325, 355, 533, 923, 1025, 1681, 1775, 2665, 2911, 4615, 8405, 13325, 14555, 21853, 23075, 37843, 42025, 72775, 109265, 119351, 189215, 546325, 596755, 946075, 1551563, 2983775, 7757815, 38789075]

約数ペア:

[(1, 38789075), (5, 7757815), (13, 2983775), (25, 1551563), (41, 946075), (65, 596755), (71, 546325), (205, 189215), (325, 119351), (355, 109265), (533, 72775), (923, 42025), (1025, 37843), (1681, 23075), (1775, 21853), (2665, 14555), (2911, 13325), (4615, 8405)]