128478812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3001}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 282428160

約数和(自身を除く): 153949348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 973, 1529, 1946, 3001, 3058, 3892, 6002, 6116, 10703, 12004, 21007, 21406, 33011, 42014, 42812, 66022, 84028, 132044, 231077, 417139, 462154, 834278, 924308, 1668556, 2919973, 4588529, 5839946, 9177058, 11679892, 18354116, 32119703, 64239406, 128478812]

約数ペア:

[(1, 128478812), (2, 64239406), (4, 32119703), (7, 18354116), (11, 11679892), (14, 9177058), (22, 5839946), (28, 4588529), (44, 2919973), (77, 1668556), (139, 924308), (154, 834278), (278, 462154), (308, 417139), (556, 231077), (973, 132044), (1529, 84028), (1946, 66022), (3001, 42812), (3058, 42014), (3892, 33011), (6002, 21406), (6116, 21007), (10703, 12004)]