138712483

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 186604320

約数和(自身を除く): 47891837

約数列:

[1, 7, 13, 19, 49, 73, 91, 133, 157, 247, 511, 637, 931, 949, 1099, 1387, 1729, 2041, 2983, 3577, 6643, 7693, 9709, 11461, 12103, 14287, 18031, 20881, 38779, 46501, 67963, 80227, 100009, 126217, 146167, 148993, 217759, 271453, 561589, 883519, 1042951, 1524313, 1900171, 2830867, 7300657, 10670191, 19816069, 138712483]

約数ペア:

[(1, 138712483), (7, 19816069), (13, 10670191), (19, 7300657), (49, 2830867), (73, 1900171), (91, 1524313), (133, 1042951), (157, 883519), (247, 561589), (511, 271453), (637, 217759), (931, 148993), (949, 146167), (1099, 126217), (1387, 100009), (1729, 80227), (2041, 67963), (2983, 46501), (3577, 38779), (6643, 20881), (7693, 18031), (9709, 14287), (11461, 12103)]