851981144

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 1863095040

約数和(自身を除く): 1011113896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 443, 488, 563, 854, 886, 1126, 1708, 1772, 2252, 3101, 3416, 3544, 3941, 4504, 6202, 7882, 12404, 15764, 24808, 27023, 31528, 34343, 54046, 68686, 108092, 137372, 189161, 216184, 240401, 249409, 274744, 378322, 480802, 498818, 756644, 961604, 997636, 1513288, 1745863, 1923208, 1995272, 3491726, 6983452, 13966904, 15213949, 30427898, 60855796, 106497643, 121711592, 212995286, 425990572, 851981144]

約数ペア:

[(1, 851981144), (2, 425990572), (4, 212995286), (7, 121711592), (8, 106497643), (14, 60855796), (28, 30427898), (56, 15213949), (61, 13966904), (122, 6983452), (244, 3491726), (427, 1995272), (443, 1923208), (488, 1745863), (563, 1513288), (854, 997636), (886, 961604), (1126, 756644), (1708, 498818), (1772, 480802), (2252, 378322), (3101, 274744), (3416, 249409), (3544, 240401), (3941, 216184), (4504, 189161), (6202, 137372), (7882, 108092), (12404, 68686), (15764, 54046), (24808, 34343), (27023, 31528)]