2787601817

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 3997945728

約数和(自身を除く): 1210343911

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 143, 161, 253, 299, 343, 353, 539, 637, 1001, 1127, 1771, 2093, 2401, 2471, 3289, 3773, 3883, 4459, 4589, 7007, 7889, 8119, 12397, 14651, 17297, 23023, 26411, 27181, 31213, 32123, 49049, 50479, 55223, 56833, 86779, 89309, 102557, 105547, 121079, 161161, 190267, 224861, 343343, 353353, 397831, 607453, 625163, 717899, 738829, 847553, 1128127, 1161017, 1331869, 1574027, 2473471, 2784817, 4376141, 5171803, 7896889, 8127119, 9323083, 11018189, 17314297, 19493719, 30632987, 36202621, 56889833, 121200079, 214430909, 253418347, 398228831, 2787601817]

約数ペア:

[(1, 2787601817), (7, 398228831), (11, 253418347), (13, 214430909), (23, 121200079), (49, 56889833), (77, 36202621), (91, 30632987), (143, 19493719), (161, 17314297), (253, 11018189), (299, 9323083), (343, 8127119), (353, 7896889), (539, 5171803), (637, 4376141), (1001, 2784817), (1127, 2473471), (1771, 1574027), (2093, 1331869), (2401, 1161017), (2471, 1128127), (3289, 847553), (3773, 738829), (3883, 717899), (4459, 625163), (4589, 607453), (7007, 397831), (7889, 353353), (8119, 343343), (12397, 224861), (14651, 190267), (17297, 161161), (23023, 121079), (26411, 105547), (27181, 102557), (31213, 89309), (32123, 86779), (49049, 56833), (50479, 55223)]