38216815

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 58605120

約数和(自身を除く): 20388305

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 169, 245, 355, 455, 497, 637, 845, 923, 1183, 2197, 2485, 3185, 3479, 4615, 5915, 6461, 8281, 10985, 11999, 15379, 17395, 32305, 41405, 45227, 59995, 76895, 83993, 107653, 155987, 226135, 419965, 538265, 587951, 779935, 1091909, 2939755, 5459545, 7643363, 38216815]

約数ペア:

[(1, 38216815), (5, 7643363), (7, 5459545), (13, 2939755), (35, 1091909), (49, 779935), (65, 587951), (71, 538265), (91, 419965), (169, 226135), (245, 155987), (355, 107653), (455, 83993), (497, 76895), (637, 59995), (845, 45227), (923, 41405), (1183, 32305), (2197, 17395), (2485, 15379), (3185, 11999), (3479, 10985), (4615, 8281), (5915, 6461)]