139019615

素因数分解:

$5^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 196684800

約数和(自身を除く): 57665185

約数列:

[1, 5, 7, 35, 49, 103, 245, 343, 515, 721, 787, 1715, 3605, 3935, 5047, 5509, 25235, 27545, 35329, 38563, 81061, 176645, 192815, 269941, 405305, 567427, 1349705, 2837135, 3971989, 19859945, 27803923, 139019615]

約数ペア:

[(1, 139019615), (5, 27803923), (7, 19859945), (35, 3971989), (49, 2837135), (103, 1349705), (245, 567427), (343, 405305), (515, 269941), (721, 192815), (787, 176645), (1715, 81061), (3605, 38563), (3935, 35329), (5047, 27545), (5509, 25235)]