128171628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{21067}}^1$

素因数の和:21103

約数の個数: 54

約数和(自身を含む): 350845404

約数和(自身を除く): 222673776

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 21067, 42134, 63201, 84268, 126402, 189603, 252804, 273871, 379206, 547742, 758412, 821613, 1095484, 1643226, 2464839, 3286452, 3560323, 4929678, 7120646, 9859356, 10680969, 14241292, 21361938, 32042907, 42723876, 64085814, 128171628]

約数ペア:

[(1, 128171628), (2, 64085814), (3, 42723876), (4, 32042907), (6, 21361938), (9, 14241292), (12, 10680969), (13, 9859356), (18, 7120646), (26, 4929678), (36, 3560323), (39, 3286452), (52, 2464839), (78, 1643226), (117, 1095484), (156, 821613), (169, 758412), (234, 547742), (338, 379206), (468, 273871), (507, 252804), (676, 189603), (1014, 126402), (1521, 84268), (2028, 63201), (3042, 42134), (6084, 21067)]