4049045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 6531840

約数和(自身を除く): 2482795

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 809, 1001, 4045, 5005, 5663, 8899, 10517, 28315, 44495, 52585, 62293, 73619, 115687, 311465, 368095, 578435, 809809, 4049045]

約数ペア:

[(1, 4049045), (5, 809809), (7, 578435), (11, 368095), (13, 311465), (35, 115687), (55, 73619), (65, 62293), (77, 52585), (91, 44495), (143, 28315), (385, 10517), (455, 8899), (715, 5663), (809, 5005), (1001, 4045)]