1799208515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 2637080880

約数和(自身を除く): 837872365

約数列:

[1, 5, 13, 17, 19, 65, 71, 85, 95, 221, 247, 289, 323, 355, 923, 1105, 1207, 1235, 1349, 1445, 1615, 3757, 4199, 4615, 5041, 5491, 6035, 6745, 15691, 17537, 18785, 20519, 20995, 22933, 25205, 27455, 65533, 71383, 78455, 85697, 87685, 95779, 102595, 114665, 266747, 298129, 327665, 356915, 389861, 428485, 478895, 1114061, 1245127, 1333735, 1456849, 1490645, 1628243, 1949305, 5068193, 5570305, 6225635, 7284245, 8141215, 18939037, 21167159, 25340965, 27680131, 94695185, 105835795, 138400655, 359841703, 1799208515]

約数ペア:

[(1, 1799208515), (5, 359841703), (13, 138400655), (17, 105835795), (19, 94695185), (65, 27680131), (71, 25340965), (85, 21167159), (95, 18939037), (221, 8141215), (247, 7284245), (289, 6225635), (323, 5570305), (355, 5068193), (923, 1949305), (1105, 1628243), (1207, 1490645), (1235, 1456849), (1349, 1333735), (1445, 1245127), (1615, 1114061), (3757, 478895), (4199, 428485), (4615, 389861), (5041, 356915), (5491, 327665), (6035, 298129), (6745, 266747), (15691, 114665), (17537, 102595), (18785, 95779), (20519, 87685), (20995, 85697), (22933, 78455), (25205, 71383), (27455, 65533)]