4390309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 5953536

約数和(自身を除く): 1563227

約数列:

[1, 7, 11, 23, 37, 67, 77, 161, 253, 259, 407, 469, 737, 851, 1541, 1771, 2479, 2849, 5159, 5957, 9361, 10787, 16951, 17353, 27269, 57017, 65527, 118657, 190883, 399119, 627187, 4390309]

約数ペア:

[(1, 4390309), (7, 627187), (11, 399119), (23, 190883), (37, 118657), (67, 65527), (77, 57017), (161, 27269), (253, 17353), (259, 16951), (407, 10787), (469, 9361), (737, 5957), (851, 5159), (1541, 2849), (1771, 2479)]