123996964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17929}}^1$

素因数の和:17972

約数の個数: 48

約数和(自身を含む): 281142400

約数和(自身を除く): 157145436

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 17929, 35858, 71716, 125503, 233077, 251006, 340651, 466154, 502012, 681302, 932308, 1362604, 1631539, 2384557, 3263078, 4428463, 4769114, 6526156, 8856926, 9538228, 17713852, 30999241, 61998482, 123996964]

約数ペア:

[(1, 123996964), (2, 61998482), (4, 30999241), (7, 17713852), (13, 9538228), (14, 8856926), (19, 6526156), (26, 4769114), (28, 4428463), (38, 3263078), (52, 2384557), (76, 1631539), (91, 1362604), (133, 932308), (182, 681302), (247, 502012), (266, 466154), (364, 340651), (494, 251006), (532, 233077), (988, 125503), (1729, 71716), (3458, 35858), (6916, 17929)]