28125738

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 66816000

約数和(自身を除く): 38690262

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 79, 114, 158, 171, 237, 342, 347, 474, 513, 694, 711, 1026, 1041, 1422, 1501, 2082, 2133, 3002, 3123, 4266, 4503, 6246, 6593, 9006, 9369, 13186, 13509, 18738, 19779, 27018, 27413, 39558, 40527, 54826, 59337, 81054, 82239, 118674, 164478, 178011, 246717, 356022, 493434, 520847, 740151, 1041694, 1480302, 1562541, 3125082, 4687623, 9375246, 14062869, 28125738]

約数ペア:

[(1, 28125738), (2, 14062869), (3, 9375246), (6, 4687623), (9, 3125082), (18, 1562541), (19, 1480302), (27, 1041694), (38, 740151), (54, 520847), (57, 493434), (79, 356022), (114, 246717), (158, 178011), (171, 164478), (237, 118674), (342, 82239), (347, 81054), (474, 59337), (513, 54826), (694, 40527), (711, 39558), (1026, 27413), (1041, 27018), (1422, 19779), (1501, 18738), (2082, 13509), (2133, 13186), (3002, 9369), (3123, 9006), (4266, 6593), (4503, 6246)]