2780388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 54

約数和(自身を含む): 7627074

約数和(自身を除く): 4846686

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 457, 468, 507, 676, 914, 1014, 1371, 1521, 1828, 2028, 2742, 3042, 4113, 5484, 5941, 6084, 8226, 11882, 16452, 17823, 23764, 35646, 53469, 71292, 77233, 106938, 154466, 213876, 231699, 308932, 463398, 695097, 926796, 1390194, 2780388]

約数ペア:

[(1, 2780388), (2, 1390194), (3, 926796), (4, 695097), (6, 463398), (9, 308932), (12, 231699), (13, 213876), (18, 154466), (26, 106938), (36, 77233), (39, 71292), (52, 53469), (78, 35646), (117, 23764), (156, 17823), (169, 16452), (234, 11882), (338, 8226), (457, 6084), (468, 5941), (507, 5484), (676, 4113), (914, 3042), (1014, 2742), (1371, 2028), (1521, 1828)]