28268712

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1993}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 76988340

約数和(自身を除く): 48719628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1576, 1773, 1993, 2364, 3546, 3986, 4728, 5979, 7092, 7972, 11958, 14184, 15944, 17937, 23916, 35874, 47832, 71748, 143496, 392621, 785242, 1177863, 1570484, 2355726, 3140968, 3533589, 4711452, 7067178, 9422904, 14134356, 28268712]

約数ペア:

[(1, 28268712), (2, 14134356), (3, 9422904), (4, 7067178), (6, 4711452), (8, 3533589), (9, 3140968), (12, 2355726), (18, 1570484), (24, 1177863), (36, 785242), (72, 392621), (197, 143496), (394, 71748), (591, 47832), (788, 35874), (1182, 23916), (1576, 17937), (1773, 15944), (1993, 14184), (2364, 11958), (3546, 7972), (3986, 7092), (4728, 5979)]