2012990735

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 3000582144

約数和(自身を除く): 987591409

約数列:

[1, 5, 7, 31, 35, 37, 41, 155, 185, 205, 217, 259, 287, 1085, 1147, 1223, 1271, 1295, 1435, 1517, 5735, 6115, 6355, 7585, 8029, 8561, 8897, 10619, 37913, 40145, 42805, 44485, 45251, 47027, 50143, 53095, 189565, 226255, 235135, 250715, 265391, 316757, 329189, 351001, 1326955, 1402781, 1554433, 1583785, 1645945, 1755005, 1855291, 7013905, 7772165, 9276455, 9819467, 10881031, 12987037, 49097335, 54405155, 57514021, 64935185, 287570105, 402598147, 2012990735]

約数ペア:

[(1, 2012990735), (5, 402598147), (7, 287570105), (31, 64935185), (35, 57514021), (37, 54405155), (41, 49097335), (155, 12987037), (185, 10881031), (205, 9819467), (217, 9276455), (259, 7772165), (287, 7013905), (1085, 1855291), (1147, 1755005), (1223, 1645945), (1271, 1583785), (1295, 1554433), (1435, 1402781), (1517, 1326955), (5735, 351001), (6115, 329189), (6355, 316757), (7585, 265391), (8029, 250715), (8561, 235135), (8897, 226255), (10619, 189565), (37913, 53095), (40145, 50143), (42805, 47027), (44485, 45251)]