9989402185

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{22303}}^1$

素因数の和:22573

約数の個数: 32

約数和(自身を含む): 13977649152

約数和(自身を除く): 3988246967

約数列:

[1, 5, 7, 35, 67, 191, 335, 469, 955, 1337, 2345, 6685, 12797, 22303, 63985, 89579, 111515, 156121, 447895, 780605, 1494301, 4259873, 7471505, 10460107, 21299365, 29819111, 52300535, 149095555, 285411491, 1427057455, 1997880437, 9989402185]

約数ペア:

[(1, 9989402185), (5, 1997880437), (7, 1427057455), (35, 285411491), (67, 149095555), (191, 52300535), (335, 29819111), (469, 21299365), (955, 10460107), (1337, 7471505), (2345, 4259873), (6685, 1494301), (12797, 780605), (22303, 447895), (63985, 156121), (89579, 111515)]