389712295

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 555984000

約数和(自身を除く): 166271705

約数列:

[1, 5, 7, 29, 35, 145, 197, 203, 985, 1015, 1379, 1949, 5713, 6895, 9745, 13643, 28565, 39991, 56521, 68215, 199955, 282605, 383953, 395647, 1919765, 1978235, 2687671, 11134637, 13438355, 55673185, 77942459, 389712295]

約数ペア:

[(1, 389712295), (5, 77942459), (7, 55673185), (29, 13438355), (35, 11134637), (145, 2687671), (197, 1978235), (203, 1919765), (985, 395647), (1015, 383953), (1379, 282605), (1949, 199955), (5713, 68215), (6895, 56521), (9745, 39991), (13643, 28565)]