281184344

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 72

約数和(自身を含む): 647600940

約数和(自身を除く): 366416596

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 361, 392, 532, 722, 931, 1064, 1444, 1862, 1987, 2527, 2888, 3724, 3974, 5054, 7448, 7948, 10108, 13909, 15896, 17689, 20216, 27818, 35378, 37753, 55636, 70756, 75506, 97363, 111272, 141512, 151012, 194726, 264271, 302024, 389452, 528542, 717307, 778904, 1057084, 1434614, 1849897, 2114168, 2869228, 3699794, 5021149, 5738456, 7399588, 10042298, 14799176, 20084596, 35148043, 40169192, 70296086, 140592172, 281184344]

約数ペア:

[(1, 281184344), (2, 140592172), (4, 70296086), (7, 40169192), (8, 35148043), (14, 20084596), (19, 14799176), (28, 10042298), (38, 7399588), (49, 5738456), (56, 5021149), (76, 3699794), (98, 2869228), (133, 2114168), (152, 1849897), (196, 1434614), (266, 1057084), (361, 778904), (392, 717307), (532, 528542), (722, 389452), (931, 302024), (1064, 264271), (1444, 194726), (1862, 151012), (1987, 141512), (2527, 111272), (2888, 97363), (3724, 75506), (3974, 70756), (5054, 55636), (7448, 37753), (7948, 35378), (10108, 27818), (13909, 20216), (15896, 17689)]