128877588

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{170473}}^1$

素因数の和:170493

約数の個数: 48

約数和(自身を含む): 381861760

約数和(自身を除く): 252984172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 170473, 340946, 511419, 681892, 1022838, 1193311, 1534257, 2045676, 2386622, 3068514, 3579933, 4602771, 4773244, 6137028, 7159866, 9205542, 10739799, 14319732, 18411084, 21479598, 32219397, 42959196, 64438794, 128877588]

約数ペア:

[(1, 128877588), (2, 64438794), (3, 42959196), (4, 32219397), (6, 21479598), (7, 18411084), (9, 14319732), (12, 10739799), (14, 9205542), (18, 7159866), (21, 6137028), (27, 4773244), (28, 4602771), (36, 3579933), (42, 3068514), (54, 2386622), (63, 2045676), (84, 1534257), (108, 1193311), (126, 1022838), (189, 681892), (252, 511419), (378, 340946), (756, 170473)]