13205378879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{2593}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 17635879680

約数和(自身を除く): 4430500801

約数列:

[1, 7, 11, 19, 59, 77, 133, 209, 413, 649, 1121, 1463, 2593, 3481, 4543, 7847, 12331, 18151, 24367, 28523, 38291, 49267, 66139, 86317, 152987, 199661, 268037, 344869, 462973, 541937, 727529, 1070909, 1682857, 2906753, 3793559, 5092703, 9026233, 11779999, 20347271, 31974283, 63183631, 99288563, 171498427, 223819981, 695019941, 1200488989, 1886482697, 13205378879]

約数ペア:

[(1, 13205378879), (7, 1886482697), (11, 1200488989), (19, 695019941), (59, 223819981), (77, 171498427), (133, 99288563), (209, 63183631), (413, 31974283), (649, 20347271), (1121, 11779999), (1463, 9026233), (2593, 5092703), (3481, 3793559), (4543, 2906753), (7847, 1682857), (12331, 1070909), (18151, 727529), (24367, 541937), (28523, 462973), (38291, 344869), (49267, 268037), (66139, 199661), (86317, 152987)]