66821923

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 83607552

約数和(自身を除く): 16785629

約数列:

[1, 7, 23, 41, 53, 161, 191, 287, 371, 943, 1219, 1337, 2173, 4393, 6601, 7831, 8533, 10123, 15211, 30751, 49979, 54817, 70861, 180113, 232829, 349853, 415043, 1260791, 1629803, 2905301, 9545989, 66821923]

約数ペア:

[(1, 66821923), (7, 9545989), (23, 2905301), (41, 1629803), (53, 1260791), (161, 415043), (191, 349853), (287, 232829), (371, 180113), (943, 70861), (1219, 54817), (1337, 49979), (2173, 30751), (4393, 15211), (6601, 10123), (7831, 8533)]